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Universal anti-Kibble-Zurek scaling in fully-connected systems
Ricardo Puebla, Andrea Smirne, Susana F. Huelga +1
We investigate the quench dynamics of an open quantum system involving a quantum phase transition. In the isolated case, the quench dynamics involving the phase transition exhibits…
Experimental Control of the Degree of Non-Classicality via Quantum Coherence
Andrea Smirne, Thomas Nitsche, Dario Egloff +6
The origin of non-classicality in physical systems and its connection to distinctly quantum features such as entanglement and coherence is a central question in quantum physics. Th…
Accessible coherence in open quantum system dynamics
María García Díaz, Benjamin Desef, Matteo Rosati +5
Quantum coherence generated in a physical process can only be cast as a potentially useful resource if its effects can be detected at a later time. Recently, the notion of non-cohe…
Efficient simulation of open quantum systems coupled to a fermionic bath
Alexander Nüßeler, Ish Dhand, Susana F. Huelga +1
We present and analyze the fermionic time evolving density matrix using orthogonal polynomials algorithm (fTEDOPA), which enables the numerically exact simulation of open quantum s…
When is a non-Markovian quantum process classical?
Simon Milz, Dario Egloff, Philip Taranto +4
More than a century after the inception of quantum theory, the question of which traits and phenomena are fundamentally quantum remains under debate. Here we give an answer to this…
Limited-control metrology approaching the Heisenberg limit without entanglement preparation
Benedikt Tratzmiller, Qiong Chen, Ilai Schwartz +2
Current metrological bounds typically assume full control over all particles that are involved in the protocol. Relaxing this assumption we study metrological performance when only…