| BASKO, D. M., Frederik PFEIFFER, Petr ADAMUS, M. HOLZMANN and F. W. J. HEKKING. Superconductor-insulator transition in Josephson junction chains by quantum Monte Carlo calculations. Physical Review B. College Park, Maryland: American Physical Society, 2020, vol. 101, No 2, p. 1-11. ISSN 2469-9950. Available from: https://dx.doi.org/10.1103/PhysRevB.101.024518. |
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@article{1698256,
author = {Basko, D. M. and Pfeiffer, Frederik and Adamus, Petr and Holzmann, M. and Hekking, F. W. J.},
article_location = {College Park, Maryland},
article_number = {2},
doi = {http://dx.doi.org/10.1103/PhysRevB.101.024518},
keywords = {Coulomb blockade; Mott-superfluid transition; Superconductor-insulator transition; XY model},
language = {eng},
issn = {2469-9950},
journal = {Physical Review B},
title = {Superconductor-insulator transition in Josephson junction chains by quantum Monte Carlo calculations},
url = {https://doi.org/10.1103/PhysRevB.101.024518},
volume = {101},
year = {2020}
}
TY - JOUR
ID - 1698256
AU - Basko, D. M. - Pfeiffer, Frederik - Adamus, Petr - Holzmann, M. - Hekking, F. W. J.
PY - 2020
TI - Superconductor-insulator transition in Josephson junction chains by quantum Monte Carlo calculations
JF - Physical Review B
VL - 101
IS - 2
SP - 1-11
EP - 1-11
PB - American Physical Society
SN - 24699950
KW - Coulomb blockade
KW - Mott-superfluid transition
KW - Superconductor-insulator transition
KW - XY model
UR - https://doi.org/10.1103/PhysRevB.101.024518
L2 - https://doi.org/10.1103/PhysRevB.101.024518
N2 - We study the zero-temperature phase diagram of a dissipationless and disorder-free Josephson junction chain. Namely, we determine the critical Josephson energy below which the chain becomes insulating as a function of the ratio of two capacitances: the capacitance of each Josephson junction and the capacitance between each superconducting island and the ground. We develop an imaginary-time path integral quantum Monte Carlo algorithm in the charge representation, which enables us to efficiently handle the electrostatic part of the chain Hamiltonian. We find that a large part of the phase diagram is determined by anharmonic corrections which are not captured by the standard Kosterlitz-Thouless renormalization group description of the transition.
ER -
BASKO, D. M., Frederik PFEIFFER, Petr ADAMUS, M. HOLZMANN and F. W. J. HEKKING. Superconductor-insulator transition in Josephson junction chains by quantum Monte Carlo calculations. \textit{Physical Review B}. College Park, Maryland: American Physical Society, 2020, vol.~101, No~2, p.~1-11. ISSN~2469-9950. Available from: https://dx.doi.org/10.1103/PhysRevB.101.024518.
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