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- Universidad Autónoma de MadridES618 papers
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- Tata Institute of Fundamental ResearchIN132 papers
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23 papers · 2 filters
Stratified Manifold of Quantum States, actions of the complex special linear group
Dariusz Chruscinski, Florio M. Ciaglia, Alberto Ibort +2
We review the geometry of the space of quantum states of a finite-level quantum system with Hilbert space from a group-theoretical point of…
Measurement Based Quantum Heat Engine with Coupled Working Medium
Arpan Das, Sibasish Ghosh
We consider measurement based single temperature quantum heat engine without feedback control, introduced recently by Yi, Talkner and Kim [Phys. Rev. E 96, 022108 (2017)]. Taking t…
Classification of phases for mixed states via fast dissipative evolution
Andrea Coser, David Perez-Garcia
We propose the following definition of topological quantum phases valid for mixed states: two states are in the same phase if there exists a time independent, fast and local Lindbl…
Accelerated quantum walk, two-particle entanglement generation and localization
Shivani Singh, Radhakrishnan Balu, Raymond Laflamme +1
We present a scheme to describe the dynamics of accelerating discrete-time quantum walk for one- and two-particle in position space. We show the effect of acceleration in enhancing…
Universal gaps for XOR games from estimates on tensor norm ratios
Guillaume Aubrun, Ludovico Lami, Carlos Palazuelos +2
We define and study XOR games in the framework of general probabilistic theories, which encompasses all physical models whose predictive power obeys minimal requirements. The bias…
Multi-bit quantum random number generator from a single qubit quantum walk
Anupam Sarkar, C. M. Chandrashekar
We present a scheme for multi-bit quantum random number generation using a single qubit discrete-time quantum walk in one-dimensional space. Irrespective of the initial state of th…