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Title: Experimental investigation of initial system-environment correlations via trace-distance evolution

Abstract

The trace distance between two states of an open quantum system quantifies their distinguishability and, for a fixed environmental state, can increase above its initial value only in the presence of initial system-environment correlations. We provide experimental evidence of such a behavior. In our all-optical apparatus, we exploit spontaneous parametric down conversion as a source of polarization entangled states and a spatial light modulator to introduce in a general fashion correlations between the polarization and the momentum degrees of freedom, which act as environment.

Authors:
; ;  [1];  [2];  [1];  [1];  [2]
  1. Dipartimento di Fisica, Universita degli Studi di Milano, Via Celoria 16, I-20133 Milan (Italy)
  2. (Italy)
Publication Date:
OSTI Identifier:
22068634
Resource Type:
Journal Article
Journal Name:
Physical Review. A
Additional Journal Information:
Journal Volume: 84; Journal Issue: 3; Other Information: (c) 2011 American Institute of Physics; Country of input: Syrian Arab Republic; Journal ID: ISSN 1050-2947
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 74 ATOMIC AND MOLECULAR PHYSICS; CONVERSION; CORRELATIONS; DEGREES OF FREEDOM; DISTANCE; POLARIZATION; QUANTUM ENTANGLEMENT

Citation Formats

Smirne, Andrea, Cialdi, Simone, Vacchini, Bassano, INFN, Sezione di Milano, Via Celoria 16, I-20133 Milan, Brivio, Davide, Paris, Matteo G. A., and CNISM, Udr Milano, I-20133 Milan. Experimental investigation of initial system-environment correlations via trace-distance evolution. United States: N. p., 2011. Web. doi:10.1103/PHYSREVA.84.032112.
Smirne, Andrea, Cialdi, Simone, Vacchini, Bassano, INFN, Sezione di Milano, Via Celoria 16, I-20133 Milan, Brivio, Davide, Paris, Matteo G. A., & CNISM, Udr Milano, I-20133 Milan. Experimental investigation of initial system-environment correlations via trace-distance evolution. United States. doi:10.1103/PHYSREVA.84.032112.
Smirne, Andrea, Cialdi, Simone, Vacchini, Bassano, INFN, Sezione di Milano, Via Celoria 16, I-20133 Milan, Brivio, Davide, Paris, Matteo G. A., and CNISM, Udr Milano, I-20133 Milan. Thu . "Experimental investigation of initial system-environment correlations via trace-distance evolution". United States. doi:10.1103/PHYSREVA.84.032112.
@article{osti_22068634,
title = {Experimental investigation of initial system-environment correlations via trace-distance evolution},
author = {Smirne, Andrea and Cialdi, Simone and Vacchini, Bassano and INFN, Sezione di Milano, Via Celoria 16, I-20133 Milan and Brivio, Davide and Paris, Matteo G. A. and CNISM, Udr Milano, I-20133 Milan},
abstractNote = {The trace distance between two states of an open quantum system quantifies their distinguishability and, for a fixed environmental state, can increase above its initial value only in the presence of initial system-environment correlations. We provide experimental evidence of such a behavior. In our all-optical apparatus, we exploit spontaneous parametric down conversion as a source of polarization entangled states and a spatial light modulator to introduce in a general fashion correlations between the polarization and the momentum degrees of freedom, which act as environment.},
doi = {10.1103/PHYSREVA.84.032112},
journal = {Physical Review. A},
issn = {1050-2947},
number = 3,
volume = 84,
place = {United States},
year = {2011},
month = {9}
}