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Date: 2016
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1201104
Description: Gaussian quantum systems exhibit many explicitly quantum effects but can be simulated classically. By using both the Hilbert space (Koopman) and the phase-space (Moyal) formalisms we investigate how r ... More
Reviewed: Reviewed
Date: 2016
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1202542
Description: We derive the structure of the density matrix for two Unruh-DeWitt detectors coupled to a massless scalar field to all orders of perturbation theory, in spacetimes admitting a well-defined Wightman fu ... More
Reviewed: Reviewed
Date: 2016
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1206781
Description: We discuss relations between several relativistic spin observables and derive a Lorentz-invariant characteristic of a reduced spin density matrix. A relativistic position operator that satisfies all t ... More
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Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1059594
Description: Hidden-variable models aim to reproduce the results of quantum theory and to satisfy our classical intuition. Their refutation is usually based on deriving predictions that are different from those of ... More
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Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1044071
Description: We investigate general optical interferometry in stationary spacetimes focusing on quantum-optical experiments in near-Earth environments. We provide a rigorous expression for the gravitationally indu ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/340714
Description: Wave-particle duality, superposition and entanglement are among the most counterintuitive features of quantum theory. Their clash with our classical expectations motivated hidden-variable (HV) theorie ... More
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Authors: Terno, Daniel R
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/321832
Description: Localization of relativistic particles and their position-momentum uncertainty relations are not yet fully understood. We discuss two schemes of photon localization that are based on the energy densit ... More
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Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/309390
Description: We describe a new class of experiments designed to probe the foundations of quantum mechanics. Using quantum controlling devices, we show how to attain a freedom in temporal ordering of the control an ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/329586
Description: While we have intuitive notions of structure and complexity, the formalization of this intuition is non-trivial. The statistical complexity is a popular candidate. It is based on the idea that the com ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020600 Quantum Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/275437
Description: Polymer quantization is a useful toy model for the mathematical aspects of loop quantum gravity and is interesting in its own right. Analyzing entropies of physically equivalent states in the standard ... More
Reviewed: Reviewed
Date: 2012
Subject Keyword: 020600 Quantum Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/199576
Description: We investigate the entropy counting for black hole horizons in loop quantum gravity (LQG). We argue that the space of 3D closed polyhedra is the classical counterpart of the space of SU(2) intertwiner ... More
Reviewed: Reviewed
Date: 2012
Subject Keyword: 020600 Quantum Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/198235
Description: Physical theories are developed to describe phenomena in particular regimes, and generally are valid only within a limited range of scales. For example, general relativity provides an effective descri ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 020600 Quantum Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/134583
Description: We show that the ability to create entanglement is necessary for execution of bipartite quantum gates even when they are applied to unentangled states and create no entanglement. Starting with a simpl ... More
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Reviewed: Reviewed
Date: 2011
Subject Keyword: 020600 Quantum Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/160903
Description: Rotation of polarization in an external gravitational field is one of the effects of general relativity that can serve as a basis for its precision tests. A careful analysis of reference frames is cru ... More
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Reviewed: Reviewed
Date: 2011
Subject Keyword: 020600 Quantum Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/160910
Description: Polarization of light rotates in a gravitational field. The accrued phase is operationally meaningful only with respect to a local polarization basis. In stationary space-times, we construct local ref ... More
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Reviewed: Reviewed