TY - JOUR
T1 - Formal Equivalence Between Partitioned and Partition-Free Quenches in Quantum Transport
AU - Ridley, Michael
AU - Tuovinen, Riku
N1 - Publisher Copyright:
© 2018, Springer Science+Business Media, LLC, part of Springer Nature.
PY - 2018/6/1
Y1 - 2018/6/1
N2 - In this paper, we review the partitioned and partition-free approaches to the calculation of the time-dependent response of a molecular junction to the switch-on of an arbitrary time-dependent bias. Using the nonequilibrium Green’s function formalism on different time contours, we derive a formal equivalence between these two approaches. This clarifies a recent result of Odashima and Lewenkopf (Phys Rev B 95:104301, 2017), which is valid for a static bias and single-level molecular structure, and extends it to arbitrary time-dependent biases and arbitrarily large molecular structures.
AB - In this paper, we review the partitioned and partition-free approaches to the calculation of the time-dependent response of a molecular junction to the switch-on of an arbitrary time-dependent bias. Using the nonequilibrium Green’s function formalism on different time contours, we derive a formal equivalence between these two approaches. This clarifies a recent result of Odashima and Lewenkopf (Phys Rev B 95:104301, 2017), which is valid for a static bias and single-level molecular structure, and extends it to arbitrary time-dependent biases and arbitrarily large molecular structures.
UR - http://www.scopus.com/inward/record.url?scp=85042535287&partnerID=8YFLogxK
U2 - 10.1007/s10909-018-1880-9
DO - 10.1007/s10909-018-1880-9
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AN - SCOPUS:85042535287
SN - 0022-2291
VL - 191
SP - 380
EP - 392
JO - Journal of Low Temperature Physics
JF - Journal of Low Temperature Physics
IS - 5-6
ER -