Recent Publications: Some recent and some less recent publications are available at:
http://www.perimeterinstitute.ca/personal/rsorkin/some.papers
Publications 2004-present (most available via the link above)
Rafael D. Sorkin,
Logic is to the quantum as geometry is to gravity,
in Jeff Murugan, Amanda Weltman, George F. R. Ellis (eds),
Foundations of Space and Time: Reflections on Quantum Gravity (Cambridge University Press, 2011 to appear)
(arXiv: 1004.1226)
Rafael D. Sorkin,
To what type of logic does the `Tetralemma' belong?,
(arXiv: 1003.5735)
Fay Dowker, Steven Johnston and Rafael D. Sorkin,
Hilbert Spaces from Path Integrals,
Journal of Physics A: Math. Theor. 43, 275302 (2010)
(arXiv: 1002.0589)
Rafael D. Sorkin,
Is the spacetime metric Euclidean rather than Lorentzian?,
in Arundhati Dasgupta (Ed.), Recent Research in
Quantum Gravity, Nova Science Publishers, NY (to appear)
(arXiv: 0911.1479)
Lydia Philpott, Fay Dowker and Rafael D. Sorkin,
Massless particle diffusion in causal set theory,
J. Phys. Conf. Ser. 174, 012048 (2009)
Rafael D. Sorkin,
Light, Links and Causal Sets,
J. Phys. Conf. Ser. 174, 012018 (2009)
(arXiv:0910.0673)
Lydia Philpott, Fay Dowker and Rafael D. Sorkin,
Energy-momentum diffusion from spacetime discreteness,
Phys. Rev. D79, 124047 (2009)
(arXiv:0810.5591 [gr-qc])
Urbasi Sinha, Christophe Couteau, Zachari Medendorp, Immo Sollner,
Raymond Laflamme, Rafael D. Sorkin and Gregor Weihs,
Testing Born's Rule in Quantum Mechanics with a Triple Slit Experiment,
in Foundations of Probability and Physics-5,
L. Accardi, G. Adenier, C. Fuchs,
G. Jaeger, A. Yu. Khrennikov, J.-<C5>. Larsson, S. Stenholm
(Eds.), American Institute of Physics Conference Proceedings,
Vol. 1101, pp. 200-207, New-York (2009)
(arXiv:0811.2068 [quant-ph])
Rafael D. Sorkin,
Does Locality Fail at Intermediate Length-Scales?,
in Daniele Oriti (ed.)
Approaches to Quantum Gravity - Towards a new understanding of space and time,
Cambridge University Press, 26-43,
ISBN: 978-0-521-86045-1 (2009)
(gr-qc/0703099)
Luca Bombelli, Joe Henson and Rafael D. Sorkin,
Discreteness without symmetry breaking: a theorem,
Modern Physics Letters A24, 2579-2587 (2009)
(gr-qc/0605006),
Rafael D. Sorkin,
Relativity theory does not imply that the future already exists: a counterexample,
in Vesselin Petkov (ed.)
Relativity and the Dimensionality of the World,
(Springer in the series, Fundamental Theories of Physics,
Vol 153), 153-162, ISBN: 978-1-4020-6317-6 (2007)
(gr-qc/0703098)
Rafael D. Sorkin,
Is the cosmological "constant" a nonlocal quantum residue
of discreteness of the causal set type?,
in Arttu Rajantie (ed.)
Proceedings of the 13th International Symposium on Particles, Strings, and
Cosmology PASCOS-07, held July, 2007, London, England,
American Institute of Physics Conference Proceedings 957, 142-153,
ISBN: 978-0-7354-0471-7 (2007)
(arXiv:0710.1675 [gr-qc])
Masoud Ghezelbash, Robb Mann and Rafael D. Sorkin,
The disjointed thermodynamics of rotating black holes with a NUT twist,
Nuc. Phys. B 775, 95-119 (2007)
(hep-th/0703030)
Rafael D. Sorkin,
An exercise in `anhomomorphic logic',
Journal of Physics Conf. Ser. 67, 012018 (2007)
(quant-ph/0703276)
Rafael D. Sorkin,
Quantum dynamics without the wave function,
J. Phys. A: Math. Theor. 40, 3207-3221 (2007)
entitled ``The Quantum Universe'' and dedicated to
Giancarlo Ghirardi on the occasion of his 70th birthday
(quant-ph/0610204)
Joao Magueijo and Rafael D. Sorkin,
Occam's razor meets WMAP,
Mon.Not.Roy.Astron.Soc.Lett. 377, L39-L43 (2007)
(astro-ph/0604410)
David Craig, Fay Dowker, Joe Henson, Seth Major, David Rideout and Rafael D. Sorkin,
A Bell Inequality Analog in Quantum Measure Theory,
J. Phys. A: Math. Theor. 40, 501-523 (2007)
(quant-ph/0605008)
David Craig, Fay Dowker, Joe Henson, Seth Major, David Rideout and Rafael D. Sorkin,
Noncontexuality in Quantum Measure Theory,
AIP Conf. Proc. 844, 77 (2006)
Rafael D. Sorkin,
Big Extra Dimensions make $lambda$ too Small,
Brazilian Journal of Physics 35, issue 2A, 280-283 (2005)
(gr-qc/0503057)
Rafael D. Sorkin,
Ten Theses on Black Hole Entropy,
Studies in History and Philosophy of Modern Physics,
36 issue 2, 291-301 (2005)
(hep-th/0504037)
Rafael D. Sorkin,
Causal Sets: Discrete Gravity,
in Andres Gomberoff and Don Marolf (eds.)
"Lectures on Quantum Gravity'', CECS Series of the
Centro de Estudios Cientificos, Plenum, (2005)
(gr-qc/0309009)
Rafael D. Sorkin,
The Random Walk in Generalized Quantum Theory,
(with Xavier Martin and Denjoe O'Connor)
Phys. Rev. D71, 024029 (2005)
(gr-qc/0403085)
Fay Dowker and Joe Henson and Rafael D. Sorkin,
Quantum Gravity Phenomenology, Lorentz Invariance and Discreteness,
Modern Physics Letters A19, 1829-1840 (2004)
(gr-qc/0311055)
Maqbool Ahmed, Scott Dodelson, Patrick Greene and Rafael D. Sorkin,
Everpresent Lambda,
Phys. Rev. D69, 103523 (2004)
(astro-ph/0209274)
Rafael D. Sorkin,
An energy bound deduced from the vanishing of the radiation reaction
force during uniform acceleration,
Modern Physics Letters A19, 543-545 (2004)
(gr-qc/9811030)
Donald Marolf and Rafael D. Sorkin,
On the Status of Highly Entropic Objects,
Phys. Rev. D69, 024014 (2004)
(hep-th/0309218)
Publications 1974-2003 (some available via the above link)
Rafael D. Sorkin,
Indecomposable Ideals in Incidence Algebras,
Modern Physics Letters A18, 2491-2500 (2003)
(math.CO/0309126)
Djamel Dou and Rafael D. Sorkin,
Black Hole Entropy as Causal Links,
Foundations of Physics 33, 279-296 (2003)
(gr-qc/0302009)
Graham Brightwell, Fay Dowker, Raquel S. Garcia, Joe Henson and Rafael D. Sorkin,
"Observables" in Causal Set Cosmology,
Phys. Rev. D67, 084031 (2003)
(gr-qc/0210061)
Rafael D. Sorkin,
A Library of Lisp Functions for Posets (and other purposes),
http://www.perimeterinstitute.ca/personal/rsorkin/lisp.library/
http://www.phy.syr.edu/~sorkin/lisp.library/
(1998, 2002)
Donald Marolf and Rafael D. Sorkin,
Perfect Mirrors and the Self-Accelerating Box Paradox,
Phys. Rev. D66, 104004 (2002)
(hep-th/0201255)
Graham Brightwell, H. Fay Dowker, Raquel S. Garcia, Joe Henson and Rafael D. Sorkin,
General Covariance and the "Problem of Time" in a Discrete Cosmology,
in Keith G. Bowden (ed) "Correlations", Proceedings of ANPA23, ANPA, 1-17 (2002)
(gr-qc/0202097)
Rafael D. Sorkin,
An example relevant to the Kretschmann-Einstein debate,
Modern Physics Letters A17, 695-700 (2002)
Pittsburgh Philosophy Archive: http://philsci-archive.pitt.edu
(PITT-PHIL-SCI 00000371)
Xavier Martin, Denjoe O'Connor, David Rideout and Rafael D. Sorkin,
On the "renormalization" transformations induced by cycles of expansion and contraction in causal set cosmology,
Phys. Rev. D63, 084026 (2001)
(gr-qc/0009063)
David P. Rideout and Rafael D. Sorkin,
Evidence for a Continuum Limit in Causal Set Dynamics,
Phys. Rev. D63, 104011 (2001)
(gr-qc/0003117)
Fay Dowker and Rafael D. Sorkin,
Spin and Statistics in Quantum Gravity,
in R.C. Hilborn and G.M. Tino (eds.) Proceedings of the international meeting on
"Spin-statistics connections and commutation relations, experimental tests and theoretical implications",
Capri, Italy, May 31-June 4, 2000, AIP, 205-218 (2001)
(gr-qc/0101042)
Rafael D. Sorkin,
Indications of Causal Set Cosmology,
Int. J. Th. Physics 39, 1531-1536 (2000)
(gr-qc/0003043)
David P. Rideout and Rafael D. Sorkin,
A Classical Sequential Growth Dynamics for Causal Sets,
Phys. Rev. D61, 024002 (2000)
(gr-qc/9904062)
Rafael D. Sorkin and Daniel Sudarsky,
Large Fluctuations in the Horizon and what they teach us about Quantum Gravity and Entropy,
Classical & Quantum Gravity 16, 3835-3857 (1999)
(gr-qc/9902051)
A. Borde, H.F. Dowker, R.S. Garcia, R.D. Sorkin and S. Surya,
Causal Continuity in Singular Spacetimes,
Classical & Quantum Gravity 16, 3457-3481 (1999)
(gr-qc/9901063)
Alan Daughton, Jorma Louko and Rafael D. Sorkin,
Instantons and Unitarity in Quantum Cosmology with fixed 4-Volume,
Phys. Rev. D58, 084008 (1998)
(gr-qc/9805101)
R.D. Sorkin and Sumati Surya,
An Analysis of the Representations of the Mapping Class Group of a Multi-geon Three-manifold,
Int. J. Mod. Phys. A13, 3749-3790 (1998)
(gr-qc/9605050)
H.F. Dowker and R.D. Sorkin,
A Spin-Statistics Theorem for Certain Topological Geons,
Classical & Quantum Gravity 15, 1153-1167 (1998)
(gr-qc/9609064)
Rafael D. Sorkin,
The Statistical Mechanics of Black Hole Thermodynamics,
in R.M. Wald (ed.) Black Holes and Relativistic Stars, 181-198, U. of Chicago Press (1998)
(gr-qc/9705006)
Rafael D. Sorkin and Sumati Surya,
Geon Statistics and UIR's of the Mapping Class Group,
in Juan Carlos D`Olivo, Martin Klein-Kreisler and Hector Mendez (eds.)
Proceedings of the First Latin American Symposium on High Energy Physics and
VII Mexican School of Particles and Fields, held Merida, Mexico, October, 1996,
American Institute of Physics, Woodbury, NY, 505-514 (1997)
(hep-th/9704081)
Rafael D. Sorkin,
Some Memories of Chandra,
in Kameshwar S. Wali (ed.) "S. Chandrasekhar; the Man behind the Legend Chandra Remembered",
70-75, Imperial College Press (1997)
Rafael D. Sorkin,
Forks in the Road on the Way to Quantum Gravity,
talk given at the conference entitled "Directions in General Relativity", held at College Park, Maryland, May, 1993
Int. J. Th. Phys. 36, no. 12, 2759-2780 (1997)
(gr-qc/9706002)
J.W. Barrett, M.P. Galassi, W.A. Miller, R.D. Sorkin, P.A. Tuckey and R.M. Williams,
A Parallelizable Implicit Evolution Scheme for Regge Calculus,
Int. J. Th. Phys. 36, no. 4, 815-839 (1997)
(gr-qc/9411008)
J. Louko and R.D. Sorkin,
Complex Actions in Two Dimensional Topology Change,
Classical & Quantum Gravity 14, 179-203 (1997)
(gr-qc/9511023)
Rafael D. Sorkin,
Quantum Measure Theory and its Interpretation,
D. H. Feng and B. L. Hu (eds.), "Quantum Classical Correspondence: the Fourth Drexel Symposium on Quantum Nonintegrability",
held Philadelphia, September, 1994, 229-251 (International Press, 1997)
(gr-qc/9507057)
Rafael D. Sorkin,
How Wrinkled is the Surface of a Black Hole?,
David L. Wiltshire (ed.) "Proceedings of the First Australasian Conference on General Relativity and Gravitation",
held February, 1996, Adelaide, Australia, 163-174, (U. of Adelaide Press, 1996)
(gr-qc/9701056)
R.D. Sorkin and E. Woolgar,
A Causal Order for Spacetimes with $C^0$ Lorentzian Metrics: Proof of Compactness of the Space of Causal Curves,
Classical & Quantum Gravity 13, 1971-1994 (1996)
(gr-qc/9508018)
Rafael D. Sorkin and Madhavan Varadarajan,
Energy Extremality in the Presence of a Black Hole,
Classical & Quantum Gravity 13, 1949-1970 (1996)
(gr-qc/9510031)
W. McGlinn, L. O'Raifeartaigh, S. Sen and R.D. Sorkin,
Morse Theory and the Topology of Configuration Space,
Int. J. Mod. Phys. 11, number 5, 823-843 (1996)
(hep-th/9511078)
Rafael D. Sorkin,
Two Topics concerning Black Holes: Extremality of the Energy, Fractality of the Horizon,
S. A. Fulling (ed.), "Proceedings of the Conference on Heat Kernel Techniques and Quantum Gravity",
held Winnipeg, Canada, August, 1994, 387-407
(Discourses in Mathematics and its Applications, #4) (U. of Texas Press, 1995)
(gr-qc/9508002)
Rafael D. Sorkin,
A Specimen of Theory Construction from Quantum Gravity,
in Jarrett Leplin (ed.) "The Creation of Ideas in Physics: Studies for a Methodology of Theory Construction", 167-179,
(The University of Western Ontario Series in Philosophy of Science 55, Kluwer Academic Publishers, Dordrecht, 1995)(QC6.C66 1995)
(gr-qc/9511063)
Rafael D. Sorkin,
Quantum Mechanics as Quantum Measure Theory,
Modern Physics Letters A9, 3119 (1994)
(gr-qc/9401003)
A. Daughton, J. Louko and R.D. Sorkin,
Initial Conditions and Unitarity in Unimodular Quantum Cosmology,
in R. B. Mann and R. G. McLenaghan (eds.)
"Proceedings of the Fifth Canadian Conference on General Relativity and Relativistic Astrophysics"
held Waterloo, Canada, May, 1993, 181-185 (World Scientific, 1994)
(gr-qc/9305016)
Rafael D. Sorkin,
On the Role of Time in the Sum-over-histories Framework for Gravity,
paper given at the conference entitled "History of Modern Gauge Theories",
held at Logan, Utah, July, 1987, Int. J. Th. Phys 33, 523-534 (1994)
R. Penrose, R.D. Sorkin and E. Woolgar,
A Positive Mass Theorem based on the Focussing and Retardation of Null Geodesics,
(gr-qc/9301015)
A.P. Balachandran, A. Daughton, Gu Zhichong, G. Marmo, R.D. Sorkin and A.M. Srivastava,
A Spin-Statistics Theorem without Relativity or Field,
Int. J. Mod. Phys. A8, 2993-3044 (1993)
Rafael D. Sorkin,
Impossible Measurements on Quantum Fields,
in B. L. Hu and T. A. Jacobson (eds.) "Directions in General Relativity: Proceedings of the 1993
International Symposium", Maryland, Vol. II, Papers in honor of Dieter Brill, 293-305
(Cambridge University Press, 1993)
(gr-qc/9302018)
Rafael D. Sorkin,
Summary of Workshop A3: Mathematical Studies of Einstein's and Other Relativistic Equations Alternative Gravity Theories,
in R.J. Gleiser, C.N. Kozameh, O. M. Moreschi (eds.)
"General Relativity and Gravitation 1992": Proceedings of the Thirteenth Conference on General Relativity
and Gravitation held in Huerta Grande, Cordoba, June-July, 1992, 353-358 (Institute of Physics, Bristol, 1993)
R.D. Sorkin and E. Woolgar,
Causal Structure and the Positivity of Mass,
in "Proceedings of the sixth Marcel Grossman Conference"
held Kyoto, Japan, June, 1991, 754-756 (World Scientific, Singapore, 1992)
A.P. Balachandran, W.D. McGlinn, L. O'Raifeartaigh, S. Sen, R.D. Sorkin and A.M. Srivastava,
Topological Spin-Statistics Theorems for Strings,
Modern Physics Letters A7, 1427 (1992)
A.P. Balachandran, W.D. McGlinn, L. O'Raifeartaigh, S. Sen, and R.D. Sorkin,
The Spin-Statistics Connection from Homology Groups of Configuration Space, and an Anyon Wess-Zumino Term,
Int. J. of Mod. Phys. A7, 6887-6906 (1992); and A9, 1395 (1994)
Michele Bourdeau and R.D. Sorkin,
When Can Identical Particles Collide?,
Phys. Rev. D45, 687-696 (1992)
R.D. Sorkin and E. Woolgar,
New Demonstration of the Positivity of Mass,
in G. Kunstatter, D. E. Vincent, J. G. Williams (eds.)
"Proceedings of the Fourth Canadian Conference on General Relativity and Relativistic Astrophysics"
held Winnipeg, Canada, May, 1991, 206-210 (World Scientific, Singapore, 1992)
Supurna Sinha and Rafael D. Sorkin,
Brownian Motion at Absolute Zero,
Phys. Rev. B45, 8123-8126 (1992)
Rafael D. Sorkin,
The Gravitational-Electromagnetic Noether-Operator and the Second-Order Energy Flux,
Proceedings of the Royal Society, London A435, 635-644 (1991)
Rafael D. Sorkin,
Spacetime and Causal Sets,
in J.C. D'Olivo, E. Nahmad-Achar, M. Rosenbaum, M.P. Ryan, L.F. Urrutia and F. Zertuche (eds.),
"SILARG VII: Proceedings of the Seventh Latin American Symposium on
Relativity and Gravitation, Relativity and Gravitation: Classical and Quantum",
held Cocoyoc, Mexico, December, 1990, 150-173 (World Scientific, Singapore, 1991)
Rafael D. Sorkin,
First Steps with Causal Sets,
in R. Cianci, R. de Ritis, M. Francaviglia, G. Marmo, C. Rubano, P. Scudellaro (eds.),
"Proceedings of the Ninth Italian Conference on General Relativity and Gravitational Physics",
held Capri, Italy, September, 1990, 68-90 (World Scientific, Singapore, 1991)
Sukanya Sinha and Rafael D. Sorkin,
A Sum Over Histories Account of an EPR(B) Experiment,
Found. of Phys. Lett. 4, 303-335 (1991)
Rafael D. Sorkin,
A Finitary Substitute for Continuous Topology?,
Int. J. Th. Phys. 30, 923-947 (1991)
Rafael D. Sorkin,
Problems with Causality in the Sum-over-histories Framework for Quantum Mechanics,
in A. Ashtekar and J. Stachel (eds.) "Conceptual Problems of Quantum Gravity"
(Proceedings of the i988 Osgood Hill Conference, North Andover, Mass., May 1988),
217-227 (Birkhauser, Boston, 1991) (QC178.C63 1991)
A.P. Balachandran, A. Daughton, Gu Zhichong, G. Marmo, R.D. Sorkin and A.M. Srivastava,
A Topological Spin-Statistics Theorem or A Use of the Antiparticle,
Modern Physics Letters A5, 1575-1586 (1990)
Also published in: Physica Scripta T36, 253-257 (1991)
P. Jain, J. Schechter and R.D. Sorkin,
Interpretation of the "quantum-stabilized skyrmion",
Phys. Rev. D41, 3855-3856 (1990)
Rafael D. Sorkin,
Does a Discrete Order underly Spacetime and its Metric?,
in A. Coley, F. Cooperstock and B. Tupper (eds.) "Proceedings of the Third Canadian Conference on General Relativity
and Relativistic Astrophysics" held Victoria, Canada, May 1989, 82-86 (World Scientific, Singapore, 1990)
Rafael D. Sorkin,
Consequences of Spacetime Topology,
in A. Coley, F. Cooperstock and B. Tupper (eds.) "Proceedings of the Third Canadian Conference on General Relativity
and Relativistic Astrophysics" held Victoria, Canada, May 1989, 137-163 (World Scientific, Singapore, 1990)
Ch. Aneziris, A.P. Balachandran, M. Bourdeau, S. Jo, T.R. Ramadas and R.D. Sorkin,
Aspects of Spin and Statistics in Generally Covariant Theories,
Int. J. Mod. Phys. A4, 5459-5510 (1989)
Ch. Aneziris, A.P. Balachandran, M. Bourdeau, S. Jo, T.R. Ramadas and R.D. Sorkin,
Topological Objects in Quantum Gravity,
in "Proceedings of the MRST Conference: Progress in Theoretical Physics", Toronto, 1988, 94-102 (World Scientific, 1988)
Rafael D. Sorkin,
Classical Topology and Quantum Phases: Quantum Geons,
in S. De Filippo, M. Marinaro, G. Marmo and G. Vilasi (eds.)
"Geometrical and Algebraic Aspects of Nonlinear Field Theory"
(Proceedings of the International Meeting on Geometrical and Algebraic Aspects of Nonlinear Field Theory,
held Amalfi, Italy, May, 1988), 201-218, (Elsevier, Amsterdam, 1989)
P. Jain, J. Schechter and R.D. Sorkin,
Quantum Stabilization of the Skyrme Soliton,
Phys. Rev. D39, 998-1001 (1989)
Ch. Aneziris, A.P. Balachandran, M. Bourdeau, S. Jo, T.R. Ramadas and R.D. Sorkin
Statistics and General Relativity,
Modern Physics Letters A4, 331-338 (1989)
P. Dowben, E. Schiff and R.D. Sorkin,
Physics for Science and Engineering Students,
(Kendall Hunt, 1988)
Joohan Lee and Rafael D. Sorkin,
A Derivation of a Bogomol'ny Inequality in Five-dimensional Kaluza-Klein Theory,
Comm. Math. Phys. 116, 353-364 (1988)
J.L. Friedman, J.R. Ipser and R.D. Sorkin,
Turning Point Method for Axisymmetric Stability of Rotating Relativistic Stars,
Ap. J. 325, 722 (1988)
L. Bombelli, J. Lee, D. Meyer and R.D. Sorkin,
Bombelli et al. Reply,
Phys. Rev. Lett. 60, 656 (1988)
Rafael D. Sorkin,
Conserved Quantities as Action Variations,
in James A. Isenberg (ed.) "Mathematics and General Relativity:
Proceedings of the AMS-IMS-SIAM Joint Summer Research Conference"
held June 1986 in Santa Cruz, California (Contemporary Mathematics Volume 71), 23-37
(American Mathematical Society, Providence, 1988) (QC173.6.A47 1986)
Rafael D. Sorkin,
A General Relation between Kink Exchange and Kink Rotation,
Comm. Math. Phys. 115, 421-434 (1988)
Luca Bombelli, Joohan Lee, David Meyer and Rafael D. Sorkin,
Spacetime as a Causal Set,
Phys. Rev. Lett. 59, 521-524 (1987)
A.P. Balachandran, F. Lizzi, J. Sparano and R.D. Sorkin,
Topological Aspects of String Theories,
Nuc. Phys. B287, 508-550 (1987)
Luca Bombelli, Rabinder K. Koul, Gabor Kunstatter, Joohan Lee and Rafael D. Sorkin,
On Energy in Five Dimensional Gravity and the Mass of the Kaluza Klein Monopole,
Nuc. Phys. B289, 735-756 (1987)
A.P. Balachandran, H. Gomm and R.D. Sorkin,
Quantum Symmetries from Quantum Phases, Fermions from Bosons, a Z_2 Anomaly, and Galilean Invariance,
Nuc. Phys. B281, 573-612 (1987)
Rafael D. Sorkin,
A Simplified Derivation of Stimulated Emission by Black Holes,
Classical and Quantum Gravity 4, L149-L155 (1987)
Luca Bombelli, Rabinder K. Koul, Joohan Lee and Rafael D. Sorkin,
A Quantum Source of Entropy for Black Holes,
Phys. Rev. D34, 373-383 (1986)
Reprinted in: B.-K. Hu and L. Parker (eds.) "Quantum Theory in Curved Spacetime" (World Scientific, 1992)
Rafael D. Sorkin,
Toward a Proof of Entropy Increase in the Presence of Quantum Black Holes,
Phys. Rev. Lett. 56, 1885-1888 (1986)
Rafael D. Sorkin,
Non-Time-Orientable Lorentzian Cobordism Allows for Pair Creation,
Int. J. Theor. Phys. 25, 877-881 (1986)
Rafael D. Sorkin,
On Topology Change and Monopole Creation,
Phys. Rev. D33, 978-982 (1986)
Rafael D. Sorkin,
Introduction to Topological Geons,
in P.G. Bergmann and V. de Sabbata (eds.),
"Topological Properties and Global Structure of Space-Time", 249-270 (Plenum, 1986) (QC173.59.S65 N38 1985)
Rafael D. Sorkin,
Stochastic Evolution on a Manifold of States,
Ann. Phys. (New York) 168, 119-147 (1986)
Rafael D. Sorkin,
Quantum Gravity, - Review of Quantum Theory of Gravity:
Essays in Honor of the 60th Birthday of Bryce S. Dewitt; Steven M. Christensen (Editor)
(Hilgar, Bristol, 1984) - Science 228, 572 (1985)
Rafael D. Sorkin,
A 5-Dimensional Monopole,
in J.L. Stone (ed.) "Monopole '83" (Plenum, 1984)
(proceedings of the Ann Arbor conference of the same name)
Rafael D. Sorkin,
On the Entropy of the Vacuum Outside a Horizon,
in B. Bertotti, F. de Felice, A. Pascolini (eds.)
"Tenth International Conference on General Relativity and Gravitation"
(held Padova, 4-9 July, 1983), Contributed Papers, vol. II, 734-736
(Roma, Consiglio Nazionale Delle Ricerche, 1983)
Rafael D. Sorkin,
Diffusion, Differential Geometry, and Black Holes,
in B. Bertotti, F. de Felice, A. Pascolini (eds.)
"Tenth International Conference on General Relativity and Gravitation"
(held Padova, 4-9 July, 1983), Contributed Papers, vol. II, 737-739
(Roma, Consiglio Nazionale Delle Ricerche, 1983)
Rafael D. Sorkin,
A New Use for the Taub-NUT Metric,
in B. Bertotti, F. de Felice, A. Pascolini (eds.)
"Tenth International Conference on General Relativity and Gravitation"
(held Padova, 4-9 July, 1983), Contributed Papers, vol. I, 357-359
(Roma, Consiglio Nazionale Delle Ricerche, 1983)
Rafael D. Sorkin,
A Kaluza-Klein Monopole,
Phys. Rev. Lett. 51, 87-90 (1983); and 54, 86 (1985).
Reprinted in: T. Appelquist, A. Chodos and P.G.O. Freund (eds.)
"Modern Kaluza-Klein Theories" (Benjamin, 1986)
Rafael D. Sorkin,
Remarks on Diffeomorphisms as Particle Symmetries,
in B. Bertotti, F. de Felice, A. Pascolini (eds.)
"Tenth International Conference on General Relativity and Gravitation"
(held Padova, 4-9 July, 1983), Contributed Papers, vol. II, 1167-1169
(Roma, Consiglio Nazionale Delle Ricerche, 1983)
Rafael D. Sorkin,
Quantum States (Still) Cannot be Local,
University of Maryland preprint (1983)
Rafael D. Sorkin,
A Quantitative Occam's Razor,
Int. J. Theor. Phys. 22, 1091-1104 (1983)
Rafael D. Sorkin,
Particle Statistics in Three Dimensions,
Phys. Rev. D27, 1787-1797 (1983)
John L. Friedman and Rafael D. Sorkin,
Statistics of Yang-Mills Solitons,
Comm. Math. Phys. 89, 501-521 (1983)
John L. Friedman and Rafael D. Sorkin,
Kinematics of Yang-Mills Solitons,
Comm. Math. Phys. 89, 483-499 (1983)
Rafael D. Sorkin,
Posets as Lattice Topologies,
in B. Bertotti, F. de Felice, A. Pascolini (eds.)
"Tenth International Conference on General Relativity and Gravitation"
(held Padova, 4-9 July, 1983), Contributed Papers, vol. I, 635-637
(Roma, Consiglio Nazionale Delle Ricerche, 1983)
Rafael D. Sorkin,
A Stability-Criterion for Many-Parameter Equilibrium Families,
Ap. J. 257, 847-854 (1982)
John L. Friedman and Rafael D. Sorkin,
Half-Integral Spin from Quantum Gravity,
Gen. Rel. Grav. 14, 615-620 (1982)
Rafael D. Sorkin,
A Criterion for the Onset of Instability at a Turning Point,
Ap. J. 249, 254-257 (1981)
Rafael D. Sorkin, Robert M. Wald and Zhang Zhen-Jiu,
Entropy of Self-Gravitating Radiation,
Gen. Rel. Grav. 13, 1127-1146 (1981)
J.B. Hartle and R.D. Sorkin,
A Boundary Term in the Action for Regge Calculus,
Gen. Rel. Grav. 13, 541-549 (1981)
Rafael D. Sorkin,
An Information-Theoretic Approach to "Curve Fitting",
Institute for Advanced Study preprint (1981)
John L. Friedman and Rafael D. Sorkin,
Spin-1/2 from Gravity,
Phys. Rev. Lett. 44, 1100-1103 (1980); and 45, 148 (1980)
John L. Friedman and Rafael D. Sorkin,
A Spin-Statistics Theorem for Composites Containing both Electric and Magnetic Charges,
Comm. Math. Phys. 73, 161-196 (1980)
John L. Friedman and Rafael D. Sorkin,
The Unitary Multiplicity-free Representations of $overlineSL(4,R)$,
J. Math. Phys. 21, 1269-1276 (1980)
John L. Friedman and Rafael D. Sorkin,
Dyon Spin and Statistics: A Fiber-Bundle Theory of Interacting Magnetic and Electric Charges,
Phys. Rev. D20, 2511-2525 (1979)
Rafael D. Sorkin,
On the Meaning of the Canonical Ensemble,
Int. J. Theor. Phys. 18, 309-321 (1979)
Rafael D. Sorkin,
The Quantum Electromagnetic Field in Multiply-Connected Space,
J. Phys. A12, 403-421 (1979)
Rafael D. Sorkin,
On the Failure of the Time-Energy Uncertainty Principle,
Found. Phys. 9, 123-128 (1979)
Rafael D. Sorkin,
The Triviality of Continuous Multipliers for the Real Line,
Int. J. Theor. Phys. 17, 369-376 (1978); and 18, 777 (1979)
Rafael D. Sorkin,
On the Relation Between Charge and Topology,
J. Phys. A10, 717-725 (1977); and A11, 795 (1978)
J.M. Bardeen, J.L. Friedman, B.F. Schutz and R.D. Sorkin,
A New Criterion for Secular Instability of Rapidly Rotating Stars,
Ap. J. 217, L49-L53 (1977)
Rafael D. Sorkin,
On Stress-Energy Tensors,
Gen. Rel. Grav. 8, 437-449 (1977)
Bernard F. Schutz and Rafael Sorkin,
Variational Aspects of Relativistic Field Theories, with Application to Perfect Fluids,
Annals of Phys. (New York) 107, 1-43 (1977)
Rafael D. Sorkin,
The Electromagnetic Field on a Simplicial Net,
J. Math. Phys. 16, 2432-2440 (1975); and 19, 1800 (1978)
Rafael D. Sorkin,
The Time-evolution Problem in Regge Calculus,
Phys. Rev. D12, 385-396 (1974); and D23, 565 (1981)
Rafael D. Sorkin,
Development of Simplicial Methods for the Metrical and Electromagnetic Fields,
Ph.D. Thesis, California Institute of Technology (1974)
(http://etd.caltech.edu/etd/available/etd-07242007-143000/)
(also available from University Microfilms, Ann Arbor, Michigan) |
