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1.
We study a quantum game played by two players with restricted multiple strategies. It is found that in this restricted quantum game Nash equilibrium does not always exist when the initial state is entangled. At the same time,we find that when Nash equilibrium exists the payoff function is usually different from that in the classical counterpart except in some special cases. This presents an explicit example showing quantum game and classical game may differ.When designing a quantum game with limited strategies, the allowed strategy should be carefully chosen according to the type of initial state. 相似文献
2.
CHENBo MAYing-Jun LONGGui-Lu 《理论物理通讯》2003,40(6):655-658
We study a quantum game played by two players with restricted multiple strategies. It is found that in this restricted quantum game Nash equilibrium does not always exist when the initial state is entangled. At the same time,we find that when Nasli equilibrium exists the payoff function is usually different from that in the classical counterpart except in some special cases. This presents an explicit example showing quantum game and classical game may differ.When designing a quantum game with limited strategies, the allowed strategy should be carefully chosen according to the type of initial state. 相似文献
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We present a quantum game with the restricted strategic space and
its realization with linear optical system, which can be played by
two players who are separated remotely. This game can also be realized
on any other quantum computers. We find that the constraint brings
some interesting properties that are useful for making game models. 相似文献
5.
William Matthews Stephanie Wehner Andreas Winter 《Communications in Mathematical Physics》2009,291(3):813-843
We consider the problem of ambiguous discrimination of two quantum states when we are only allowed to perform a restricted
set of measurements. Let the bias of a POVM be defined as the total variational distance between the outcome distributions
for the two states to be distinguished. The performance of a set of measurements can then be defined as the ratio of the bias
of this POVM and the largest bias achievable by any measurements. We first provide lower bounds on the performance of various
POVMs acting on a single system such as the isotropic POVM, and spherical 2 and 4-designs, and show how these bounds can lead
to certainty relations. Furthermore, we prove lower bounds for several interesting POVMs acting on multipartite systems, such
as the set of local POVMS, POVMs which can be implemented using local operations and classical communication (LOCC), separable
POVMs, and finally POVMs for which every bipartition results in a measurement having positive partial transpose (PPT). In
particular, our results show that a scheme of Terhal et. al. for hiding data against local operations and classical communication
[31] has the best possible dimensional dependence. 相似文献
6.
G. López 《International Journal of Theoretical Physics》2001,40(10):1799-1807
A restricted constant of motion, Lagrangian and Hamiltonian, for the harmonic oscillator with quadratic dissipation is deduced. The restriction comes from the consideration of the constant of motion for the velocity of the particle either for v 0 or for v < 0. A study is done about the implications that these restricted variables have on the specific heat of a thermodynamical system of oscillators with this dissipation, and on the quantization of this dissipative system. 相似文献
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The braid group representation associated with the 10-dimensional representation of SU(4) is derived, based on the weight conservation and extended Kauffman diagrammatic technique. The corresponding trigonometric and rational solutions of the quantum Yang-Baxter equations are constructed in terms of the Yang-Baxterization procedure. 相似文献
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Light‐Emitting Diodes: Highly Efficient and Stable Luminescence from Microbeans Integrated with Cd‐Free Quantum Dots for White‐Light‐Emitting Diodes (Part. Part. Syst. Charact. 10/2015)
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Wei Chen Kai Wang Junjie Hao Dan Wu Shang Wang Jing Qin Chen Li Wanqiang Cao 《Particle & Particle Systems Characterization》2015,32(10):917-917