973 citations · 2.6k across the 18 of their papers we have counts for
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Geometric Phases and Critical Phenomena in a Chain of Interacting Spins
M. E. Reuter, M. J. Hartmann, M. B. Plenio
The geometric phase can act as a signature for critical regions of interacting spin chains in the limit where the corresponding circuit in parameter space is shrunk to a point and…
Excitation and Entanglement Transfer Near Quantum Critical Points
Michael J. Hartmann, Moritz E. Reuter, Martin B. Plenio
Recently, there has been growing interest in employing condensed matter systems such as quantum spin or harmonic chains as quantum channels for short distance communication. Many p…
Minimal length scales for the existence of local temperature
Michael J Hartmann
We review a recent approach to determine the minimal spatial length scales on which local temperature exists. After mentioning an experiment where such considerations are of releva…
Strongly Interacting Polaritons in Coupled Arrays of Cavities
Michael J. Hartmann, Fernando G. S. L. Brandao, Martin B. Plenio
The experimental observation of quantum phenomena in strongly correlated many particle systems is difficult because of the short length- and timescales involved. Obtaining at the s…