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Breaking Landauer's bound in a spin-encoded quantum computer
It is commonly recognized that Landauer's bound holds in (irreversible) quantum measurement. In this study, we overturned this common sense by...
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Modeling of the Spin Currents in Resonant Tunneling Diodes Based on Ferromagnetic Semiconductor Spacers
In this paper, we theoretically study the effects of the widths of the central quantum well GaN and the right barrier AlGaN on the spin-polarized...
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Carrier Transport in Low-Dimensional Semiconductors
Carrier transport in semiconductors with reduced dimensions is determined by the low-dimensional density of states. In two-dimensional systems such...
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Quantum dots as a probe of fundamental physics: deviation from exponential decay law
AbstractWe explore a possibility of measuring deviation from the exponential decay law in pure quantum systems. The power law behavior at late times...
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Graphene-based vertical-cavity optical modulator including carrier density disorder
Detailed theoretical analysis of the effect of the carrier density disorder on the optical conductivity of graphene-based vertical-cavity optical...
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Carrier Generation
When the semiconductor is exposed to an external electromagnetic field, a phonon field, or an electric field, free carriers can be generated,...
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Nanoassemblies Based on Semiconductor Quantum Dots and Porphyrin Molecules: Structure, Exciton–Phonon Interactions, and Relaxation Processes
Experimental temperature dependences (77–293 K) of absorption and photoluminescence spectra of CdSe/ZnS semiconductor quantum dots (QDs) were...
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Unipolar and Subcycle Extremely Short Pulses: Recent Results and Prospects (Brief Review)
In recent years, progress has been made in obtaining extremely short electromagnetic pulses up to single-cycle and unipolar half-cycle pulses. For...
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The Multi-Humped Fission Barrier
Nuclear fission is a process that very soon after its discovery was understood as tunneling through a barrier. This barrier refers to a structure in...
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Dispersion coding of ENZ media via multiple photonic dopants
Epsilon-near-zero (ENZ) media are opening up exciting opportunities to observe exotic wave phenomena. In this work, we demonstrate that the ENZ...
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Nanoclusters and nanoscale voids as possible sources of increasing dark current in high-gradient vacuum breakdown
AbstractThe potential barrier model considering an additional current that can lead to the high-gradient breakdowns in accelerating structures is...
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The Multi-humped Fission Barrier
Nuclear fission is a process that very soon after its discovery was understood as tunneling through a barrier. This barrier refers to a structure in...
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Resurgent Asymptotics of Jackiw–Teitelboim Gravity and the Nonperturbative Topological Recursion
Jackiw–Teitelboim dilaton quantum gravity localizes on a double-scaled random-matrix model, whose perturbative free energy is an asymptotic series....
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Multiple Andreev Reflection Effect Spectroscopy of Underdoped NaFe1 – xCoxAs Single Crystals
We study the structure of the superconducting order parameter in underdoped NaFe 1 – x Co x As pnictides with T c ≈ 19–21 K related to the 111 family....
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MEMS and MOEMS Gyroscopes: A Review
Micro-gyroscopes using micro-electro-mechanical system (MEMS) and micro-opto-electro-mechanical system (MOEMS) are the new-generation and recently...
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Electro-Optic Switching in a Double Quantum Dot Injected with a Squeezed Vacuum Field
Optical bistability (OB) is theoretically examined for a double quantum dot (QD) system placed in a ring cavity that is injected with a squeezed...
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Spin-Polarized Transport in InAs/GaAs Double-Barrier Heterostructure with Electric and Magnetic Fields
Spin-dependent electron tunneling in InAs/GaAs double-barrier heterostructures was theoretically studied using the matrix method. The effects of...
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Nonreciprocal transmission and asymmetric entanglement induced by magnetostriction in a cavity magnomechanical system
We propose a scheme for nonreciprocal microwave transmission and magnon asymmetric entanglement based on a cavity-magnomechanical system, in which...
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Universal quantum control of an atomic spin qubit on a surface
Scanning tunneling microscopy (STM) enables the bottom-up fabrication of tailored spin systems on a surface that are engineered with atomic...
