Research output: Contribution to journal › Article › peer-review
Quantum geometric phase under pre- And post-selection. / Yakovleva, T. S.; Rostom, A. M.; Tomilin, V. A. et al.
In: Quantum Electronics, Vol. 49, No. 5, 01.01.2019, p. 439-442.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Quantum geometric phase under pre- And post-selection
AU - Yakovleva, T. S.
AU - Rostom, A. M.
AU - Tomilin, V. A.
AU - Ilichev, L. V.
PY - 2019/1/1
Y1 - 2019/1/1
N2 - We consider a quantum system subjected to a controlled phase transformation and interaction with the environment in between the acts of selection, which leads to the emergence of interference effects. It is shown that the shift of the dependence of the statistics of contacts' information with the environement on the controlled phase shift can be interpreted as a geometric phase. This interpretation is consistent with the known operational approach to the geometric phase. As a result, we suggest generalising the operational approach to the realm of pre- and post-selected quantum states.
AB - We consider a quantum system subjected to a controlled phase transformation and interaction with the environment in between the acts of selection, which leads to the emergence of interference effects. It is shown that the shift of the dependence of the statistics of contacts' information with the environement on the controlled phase shift can be interpreted as a geometric phase. This interpretation is consistent with the known operational approach to the geometric phase. As a result, we suggest generalising the operational approach to the realm of pre- and post-selected quantum states.
KW - Mach - Zehnder interferometer
KW - quantum geometric phase
KW - two-state vector formalism
KW - Mach-Zehnder interferometer
UR - http://www.scopus.com/inward/record.url?scp=85067576925&partnerID=8YFLogxK
U2 - 10.1070/QEL17014
DO - 10.1070/QEL17014
M3 - Article
AN - SCOPUS:85067576925
VL - 49
SP - 439
EP - 442
JO - Quantum Electronics
JF - Quantum Electronics
SN - 1063-7818
IS - 5
ER -
ID: 20643715