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20002020
most citedElectronic spin transport and spin precession in single graphene layers at room temperature

2.4k citations

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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8 papers · 1 filter

cond-mat.stat-mech2019★ 25 cited

Exponential damping induced by random and realistic perturbations

Jonas Richter, Fengping Jin, Lars Knipschild +4

Given a quantum many-body system and the expectation-value dynamics of some operator, we study how this reference dynamics is altered due to a perturbation of the system's Hamilton…

cond-mat.stat-mech2018★ 24 cited

Magnetization and energy dynamics in spin ladders: Evidence of diffusion in time, frequency, position, and momentum

Jonas Richter, Fengping Jin, Lars Knipschild +5

The dynamics of magnetization and energy densities are studied in the two-leg spin-1/2 ladder. Using an efficient pure-state approach based on the concept of typicality, we calcula…

cond-mat.stat-mech2018★ 10 cited

Optical Bistability in a Low Photon-Density Regime

Tatsuhiko Shirai, Synge Todo, Hans de Raedt +1

We give a microscopic description of the optical bistability, where the transmission coefficient has two different values as a function of input light intensity, and the system exh…

cond-mat.stat-mech2016★ 8 cited

Temperature- and Size-dependence of Line shape of ESR spectra of XXZ antiferromagnetic chain

Hiroki Ikeuchi, Hans De Raedt, Sylvain Bertaina +1

The ESR (Electron Spin Resonance) spectrum of the XXZ spin chain with finite length shows a double-peak structure at high temperatures around the EPR (Electron Paramagnetic Resonan…

cond-mat.stat-mech2015★ 7 cited

Computation of ESR spectra from the time evolution of the magnetization: comparison of autocorrelation and Wiener-Khinchin-relation based methods

Hiroki Ikeuchi, Hans De Raedt, Sylvain Bertaina +1

The calculation of finite temperature ESR spectra for concrete specified crystal configurations is a very important issue in the study of quantum spin systems. Although direct eval…

cond-mat.stat-mech2015★ 7 cited

Numerical study on ESR by making use of Wiener-Khinchin relation in time domain

Hiroki Ikeuchi, Sylvain Bertaina, Seiji Miyashita

To evaluate ESR spectrum at finite temperatures for specified spatial configurations of spins is very important issue to study quantum spin systems. Although a direct numerical est…

cond-mat.stat-mech2015★ 12 cited

Quantum Decoherence at Finite Temperatures

M. A. Novotny, F. Jin, S. Yuan +3

We study measures of decoherence and thermalization of a quantum system in the presence of a quantum environment (bath) . The whole system is prepared in a canonical thermal…

cond-mat.stat-mech2011★ 9 cited

Classical and Quantum Annealing in the Median of Three Satisfiability

T. Neuhaus, M. Peschina, K. Michielsen +1

We determine the classical and quantum complexities of a specific ensemble of three-satisfiability problems with a unique satisfying assignment for up to N=100 and N=80 variables,…