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Strong laser fields and their power to generate controllable high-photon-number coherent-state superpositions
Javier Rivera-Dean, Theocharis Lamprou, Emilio Pisanty +5
Recently, intensely driven laser-matter interactions have been used to connect the fields of strong laser field physics with quantum optics by generating non-classical states of li…
Superresolving collective quantum measurements
J. O. de Almeida, M. Lewenstein, M. Skotiniotis
We demonstrate a method for super-resolving signals encoded as finite mixtures of bosonic modes using collective measurements that exploit permutation symmetry. Specifically, we us…
Applications of Quantum Randomness: From Rabi Oscillations to Fourier Axis Controlling the Musical Timbre
Reiko Yamada, Samuele Grandi, Gorka Muñoz-Gil +3
Randomness has attracted great interest in the field of music composition for quite some time. As early as 1962, Iannis Xenakis started exploring a stochastic approach to randomnes…
Hessian-based toolbox for reliable and interpretable machine learning in physics
Anna Dawid, Patrick Huembeli, Michał Tomza +2
Machine learning (ML) techniques applied to quantum many-body physics have emerged as a new research field. While the numerical power of this approach is undeniable, the most expre…
New schemes for creating large optical Schrodinger cat states using strong laser fields
Javier Rivera-Dean, Philipp Stammer, Emilio Pisanty +4
Recently, using conditioning approaches on the high-harmonic generation process induced by intense laser-atom interactions, we have developed a new method for the generation of opt…
High photon number entangled states and coherent state superposition from the extreme-ultraviolet to the far infrared
Philipp Stammer, Javier Rivera-Dean, Theocharis Lamprou +4
We present a theoretical demonstration on the generation of entangled coherent states and of coherent state superpositions, with photon numbers and frequencies orders of magnitude…
Quantum Heat Engines with Carnot Efficiency at Maximum Power
Mohit Lal Bera, Sergi Julià-Farré, Maciej Lewenstein +1
Heat engines constitute the major building blocks of modern technologies. However, conventional heat engines with higher power yield lesser efficiency and vice versa and respect va…
Accurate simulation and thermal tuning by temperature-adaptive boundary interactions on quantum many-body systems
Ding-Zu Wang, Guo-Feng Zhang, Maciej Lewenstein +1
Constructing quantum Hamiltonians for simulating and controlling the exotic physics of many-body systems belongs to the most important topics of condensed matter physics and quantu…
Certificates of quantum many-body properties assisted by machine learning
Borja Requena, Gorka Muñoz-Gil, Maciej Lewenstein +2
Computationally intractable tasks are often encountered in physics and optimization. Such tasks often comprise a cost function to be optimized over a so-called feasible set, which…
Quantum Operations in an Information Theory for Fermions
Nicetu Tibau Vidal, Mohit Lal Bera, Arnau Riera +2
A reasonable quantum information theory for fermions must respect the parity super-selection rule to comply with the special theory of relativity and the no-signaling principle. Th…