Results 71 to 80 of about 6,307,248 (260)

An Invitation to Quantum Game Theory [PDF]

open access: yes
Recent development in quantum computation and quantum information theory allows to extend the scope of game theory for the quantum world. The paper presents the history, basic ideas and recent development in quantum game theory.
Edward W. Piotrowski, Jan Sladkowski
core  

Quantum switch instabilities with an open control

open access: yesCommunications Physics
The superposition of causal orders shows promise in various quantum technologies. However, the fragility of quantum systems arising from environmental interactions, leading to dissipative behavior and irreversibility, demands a deeper understanding of ...
Otavio A. D. Molitor   +5 more
doaj   +1 more source

Tuning the Optoelectronic Properties of Wide Bandgap Perovskites: Data‐Driven Insights from Combinatorial Synthesis and High‐Throughput Experimentation

open access: yesAdvanced Functional Materials, EarlyView.
Combinatorial vapor deposition enables independent tuning of Cs/Pb and Br/Cl in wide‐bandgap perovskites. Automated multimodal mapping of 500+ compositions reveals a high‐energy optical transition that correlates with enhanced photoluminescence, defining a practical Cs/Pb window.
Alexander Wieczorek   +6 more
wiley   +1 more source

Against Field Interpretations of Quantum Field Theory [PDF]

open access: yes, 2008
I examine some problems standing in the way of a successful ``field interpretation'' of quantum field theory. The most popular extant proposal depends on the Hilbert space of ``wavefunctionals.'' But since wavefunctional space is unitarily equivalent to ...
Baker, David
core  

The Wigner–Araki–Yanase theorem and the quantum resource theory of asymmetry

open access: yesNew Journal of Physics, 2013
The Wigner–Araki–Yanase (WAY) theorem establishes an important constraint that conservation laws impose on quantum mechanical measurements. We formulate the WAY theorem in the broader context of resource theories, where one is constrained to a subset of ...
Mehdi Ahmadi   +2 more
doaj   +1 more source

A Thermodynamic Model of Antiferroelectics and Its Application to Electric Field Induced Antiferroelectric‐Ferroelectric Transition in PbZrO3

open access: yesAdvanced Functional Materials, EarlyView.
A thermodynamic model that incorporates ferroelectric, antiferroelectric, and antiferrodistortive orders of PbZrO3${\rm PbZrO}_3$ is established and parameterized based on experimental measurements and first‐principles calculations. We derive a Clapeyron‐like equation for describing the temperature‐dependence of critical electric fields for the ...
Zhiyang Wang   +3 more
wiley   +1 more source

Quantum Probability and Decision Theory, Revisited [PDF]

open access: yes, 2002
An extended analysis is given of the program, originally suggested by Deutsch, of solving the probability problem in the Everett interpretation by means of decision theory.
Wallace, David
core  

Quantum Information in Geometric Quantum Mechanics [PDF]

open access: yes, 2011
A fundamental starting point in quantum information theory is the consideration of the von Neumann entropy and its generalization to relative quantum entropies.
Volkert, Georg Friedrich
core   +1 more source

Quasi-autonomous quantum thermal machines and quantum to classical energy flow

open access: yesNew Journal of Physics, 2016
There are both practical and foundational motivations to consider the thermodynamics of quantum systems at small scales. Here we address the issue of autonomous quantum thermal machines that are tailored to achieve some specific thermodynamic primitive ...
Max F Frenzel   +2 more
doaj   +1 more source

Holographic subdiffusion

open access: yesJournal of High Energy Physics, 2020
We initiate a study of finite temperature transport in gapless and strongly coupled quantum theories with charge and dipole conservation using gauge-gravity duality.
Koushik Ganesan, Andrew Lucas
doaj   +1 more source

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