Open Access
Arrow of time and its reversal on the IBM quantum computer
Publication type: Journal Article
Publication date: 2019-03-13
scimago Q1
wos Q1
SJR: 0.874
CiteScore: 6.7
Impact factor: 3.9
ISSN: 20452322
PubMed ID:
30867496
Multidisciplinary
Abstract
Uncovering the origin of the “arrow of time” remains a fundamental scientific challenge. Within the framework of statistical physics, this problem was inextricably associated with the Second Law of Thermodynamics, which declares that entropy growth proceeds from the system’s entanglement with the environment. This poses a question of whether it is possible to develop protocols for circumventing the irreversibility of time and if so to practically implement these protocols. Here we show that, while in nature the complex conjugation needed for time reversal may appear exponentially improbable, one can design a quantum algorithm that includes complex conjugation and thus reverses a given quantum state. Using this algorithm on an IBM quantum computer enables us to experimentally demonstrate a backward time dynamics for an electron scattered on a two-level impurity.
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Metrics
34
Total citations:
34
Citations from 2024:
3
(8%)
Cite this
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BibTex
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GOST
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Lesovik G. et al. Arrow of time and its reversal on the IBM quantum computer // Scientific Reports. 2019. Vol. 9. No. 1. 4396
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Lesovik G., Sadovskyy I. A., Suslov M. V., LEBEDEV A., Vinokur V. Arrow of time and its reversal on the IBM quantum computer // Scientific Reports. 2019. Vol. 9. No. 1. 4396
Cite this
RIS
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TY - JOUR
DO - 10.1038/s41598-019-40765-6
UR - https://doi.org/10.1038/s41598-019-40765-6
TI - Arrow of time and its reversal on the IBM quantum computer
T2 - Scientific Reports
AU - Lesovik, G.B.
AU - Sadovskyy, I A
AU - Suslov, M. V.
AU - LEBEDEV, A.V.
AU - Vinokur, Valerii
PY - 2019
DA - 2019/03/13
PB - Springer Nature
IS - 1
VL - 9
PMID - 30867496
SN - 2045-2322
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2019_Lesovik,
author = {G.B. Lesovik and I A Sadovskyy and M. V. Suslov and A.V. LEBEDEV and Valerii Vinokur},
title = {Arrow of time and its reversal on the IBM quantum computer},
journal = {Scientific Reports},
year = {2019},
volume = {9},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1038/s41598-019-40765-6},
number = {1},
pages = {4396},
doi = {10.1038/s41598-019-40765-6}
}
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