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Quantum fluctuation of ferroelectric order in polar metals
The polar metallic phase is an unusual metallic phase of matter containing long-range ferroelectric (FE) order in the electronic and atomic...
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Statistical fluctuation analysis for decoy-state quantum secure direct communication
In quantum secure direct communication (QSDC), messages are transmitted directly through quantum channels. The decoy state scheme has been widely...
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The quantum phase fluctuation parameters of coherent light coupled to a Harmonically driven quartic anharmonic oscillator
Importance of the phases in optics is overwhelming and is useful in realizing various classical and nonclassical optical phenomena. The measured...
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Foliated asymptotically safe gravity in the fluctuation approach
The gravitational asymptotic safety program envisions a high-energy completion of gravity based on a non-Gaussian renormalization group fixed point....
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Parameter optimization in decoy-state phase-matching quantum key distribution
The phase-matching quantum key distribution (PM-QKD) protocol has been widely researched since it was proposed. In this paper, the performance of...
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Quantum enhanced non-interferometric quantitative phase imaging
Quantum entanglement and squeezing have significantly improved phase estimation and imaging in interferometric settings beyond the classical limits....
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Spin Fluctuations and a Spin-Fluctuation Phase Transition in the Magnetically Ordered Phase of Manganese Monosilicide
A manganese monosilicide (MnSi) single crystal has been studied by the high-frequency (60 GHz) electron paramagnetic resonance method. The most...
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Collapse of Metastability by the Quantum Fluctuation
In this chapter, we study metastability in various quantum systems, and reveal peculiar features of metastable state in energy level structure of...
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Quantum games under Markovian and non-Markovian quantum noise regime and the nature of phase transitions
The effect of the Markovian and non-Markovian quantum noise in the dynamics of quantum games is reported in this paper. The Kraus operators...
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Quantum Phase Properties of a State Driven by a Classical Field
We consider a nonclassical state generated by an atom-cavity field interaction in presence of a driven field. In the scheme, the two-level atom is...
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Ergodicity, Replica Symmetry, Spin Glass and Quantum Phase Transition
This pedagogical lecture note is aimed at a tutorial introduction to the essential concepts of spin glass with a focus on quantum spin glass in order...
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Phase-matching quantum key distribution based on heralded pair-coherent source
Twin-field quantum key distribution (TF-QKD) is known for its capacity of overcoming the fundamental rate-distance limit of QKD, and a variety of its...
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Nonclassical and quantum phase properties in exciton induced exciton–vacuum field interaction
The nonclassical properties along with the quantum phase properties have been investigated in the case of coherent exciton–vacuum photon interaction...
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Quantum and Relativistic Corrections to Maxwell–Boltzmann Ideal Gas Model from a Quantum Phase Space Approach
The quantum corrections related to the ideal gas model often considered are those associated to the bosonic or fermionic nature of particles....
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Determination of Pure Electronic Transition in Vibronic Spectra and Quantum Fluctuation Theorem
It is shown that the relations for determining a purely electronic transition from diffuse absorption or emission spectra, obtained under the...
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An 8.4 Gbps real-time quantum random number generator based on quantum phase fluctuation
Based on the fundamental uncertainty of quantum mechanics, quantum random number generators can generate truly random number which is critically...
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Renormalization of magic and quantum phase transition in spin models
The interplay of quantum information theory and condensed matter physics has generated fruitful results, which promote our understanding of quantum...
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Detecting Quantum Phase Transitions in Spin Chains
Quantum entanglement is a unique physical property that distinguishes quantum systems from classical systems. Entanglement in spin chain models has...
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Experimental quantum secret sharing based on phase encoding of coherent states
Quantum secret sharing (QSS) is one of the basic communication primitives in future quantum networks which addresses part of the basic cryptographic...
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Simulation of QTRNG on IBM’s Q Experience Using Rotation and Phase Quantum Gates
True random numbers are crucial in many applications ranging from stochastic simulations to many other applications, especially cryptography. The...
