Time evolution of entangled Bell states in coupled quantum dots in the presence of fluctuations
We analyze the dynamics of two-qubit entangled Bell states in coupled quantum dots (QDs)
in the presence of both fluctuations and coherent electron hop** between the dots. The …
in the presence of both fluctuations and coherent electron hop** between the dots. The …
Noise induced dynamics of two-qubit entangled Bell's states
The stability of different types two-qubit entangled states was analyzed by a direct
calculations of the time dependent probability to find the system in its initial state in the …
calculations of the time dependent probability to find the system in its initial state in the …
Effects of anisotropy and Coulomb interactions on quantum transport in a quadruple quantum-dot structure
We present an analytical and numerical investigation of the spectral and transport properties
of a quadruple quantum-dot (QQD) structure which is one of the popular low-dimensional …
of a quadruple quantum-dot (QQD) structure which is one of the popular low-dimensional …
Effective spin filtering in correlated semiconductor nanostructures
A new theoretical concept of an electrically controllable single-electron spin filter
(polarizator) based on the exchange interaction in the system of interacting quantum dots or …
(polarizator) based on the exchange interaction in the system of interacting quantum dots or …
Adequacy of Si: P chains as Fermi–Hubbard simulators
The challenge of simulating many-body models with analogue physical systems requires
both experimental precision and very low operational temperatures. Atomically precise …
both experimental precision and very low operational temperatures. Atomically precise …
Edge states and strain-driven topological phase transitions in quantum dots in topological insulators
We present here a theory of the electronic properties of quasi two-dimensional quantum dots
made of topological insulators. The topological insulator is described by either eight band …
made of topological insulators. The topological insulator is described by either eight band …
A highly tunable quadruple quantum dot in a narrow bandgap semiconductor InAs nanowire
Quantum dots (QDs) made from semiconductors are among the most promising platforms for
the development of quantum computing and simulation chips, and they have the advantages …
the development of quantum computing and simulation chips, and they have the advantages …
Coulomb interactions-induced perfect spin-filtering effect in a quadruple quantum-dot cell
A quadruple quantum-dot (QQD) cell is proposed as a spin filter. The transport properties of
the QQD cell were studied in linear response regime on the basis of the equations of motion …
the QQD cell were studied in linear response regime on the basis of the equations of motion …
[HTML][HTML] Electronic correlations in parallel-coupled double quantum dot system: An exact analytical approach
MAH Ahsan - Physics Letters A, 2024 - Elsevier
Exact eigenstates of the parallel coupled double quantum dots attached to the non-
interacting leads taken in the zero-bandwidth limit (effectively quadruple quantum dots) are …
interacting leads taken in the zero-bandwidth limit (effectively quadruple quantum dots) are …
Influence of Coulomb Correlations on Nonequilibrium Quantum Transport in a Quadruple Quantum-Dot Structure
The description of quantum transport in a quadruple quantum-dot structure (QQD) is
proposed taking into account the Coulomb correlations and nonzero bias voltages. To …
proposed taking into account the Coulomb correlations and nonzero bias voltages. To …