Phase separation of two-component Bose–Einstein condensates
Recently, coupled systems of nonlinear Schrödinger equations have been used extensively to describe mixtures Bose–Einstein condensates. In this paper, we study the distribution of two diffe...
Recently, coupled systems of nonlinear Schrödinger equations have been used extensively to describe mixtures Bose–Einstein condensates. In this paper, we study the distribution of two diffe...
Adiabatic approximation with exponential accuracy for many-body systems and quantum computation
We derive a version of the adiabatic theorem that is especially suited for applications in adiabatic quantum computation, where it is reasonable to assume that the adiabatic interpolation between the ...
We derive a version of the adiabatic theorem that is especially suited for applications in adiabatic quantum computation, where it is reasonable to assume that the adiabatic interpolation between the ...
Time-reversal frameness and superselection
J. Math. Phys. 50, 102105 (2009); doi:10.1063/1.3243821
Published 19 October 2009
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We show that appropriate superpositions of motional states are a reference frame resource that enables breaking of time-reversal superselection so that two parties lacking knowledge about the other's direction of time can still communicate. We identify the time-reversal reference frame resource states and determine the corresponding frameness monotone, which connects time-reversal frameness to entanglement. In contradistinction to other studies of reference frame quantum resources, this is the first analysis that involves an antiunitary rather than unitary representation.
©2009 American Institute of Physics
| History: | Received 26 November 2008; accepted 10 September 2009; published 19 October 2009 |
| Permalink: |
http://link.aip.org/link/?JMAPAQ/50/102105/1 |
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