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Cluster-expansion approach

Known as: Cluster expansion approach 
The cluster-expansion approach is a technique in quantum mechanics that systematically truncates the BBGKY hierarchy problem that arises when quantum… Expand
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Related topics

Related topics

12 relations
Coupled clusterCreation and annihilation operatorsDensity matrixElectronic band structure
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
Lee-Yang cluster expansion approach to the BCS-BEC crossover: BCS and BEC limits
It is shown that a cluster expansion technique, which is usually applied in the high-temperature regime to calcutate virial… Expand
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2014
2014
2D B_xC_{1-x} Layers as Predicted by the Cluster-Expansion Approach
In this work, the cluster-expansion method combined with extensive rst-principles calculations is used for predicting the most… Expand
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2012
2012
Dynamic transitions for quasilinear systems and Cahn-Hilliard equation with Onsager mobility
The main objectives of this article are two-fold. First, we study the effect of the nonlinear Onsager mobility on the phase… Expand
2012
2012
Slow dynamics near jamming
Static and dynamic properties of two-dimensional bidisperse dissipative particles are numerically studied near the jamming… Expand
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2012
2012
A cluster expansion approach to exponential random graph models
The exponential family of random graphs are among the most widely studied network models. We show that any exponential random… Expand
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2009
2009
Thermodynamics of the Heusler alloy Co2-xMn1+xSi: A combined density functional theory and cluster expansion study
Previous studies indicated that intrinsic point defects play a crucial role for the density of states of ferromagnetic half… Expand
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2009
2009
Boundary effects on the mass and coupling constant in the compactified Ginzburg–Landau model: The boundary dependent critical temperature
We consider the Euclidean D-dimensional N-component λ|φ|4 (λ>0) model with d (d≤D) compactified dimensions. Introducing… Expand
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2007
2007
Single-electron spin decoherence by nuclear spin bath: Linked-cluster expansion approach
We develop a theory for decoherence dynamics of a single-electron spin interacting with a nuclear spin bath. The approach yields… Expand
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2007
2007
Cluster Expansion Approach for Relative Stability among Different Atomic Structures in Alloys: an Approach from a Dilute Limit
We demonstrate the ability of our cluster expansion approach (CEA) for cohesive energies of alloys, which allows one to study the… Expand
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1986
1986
A phase cell approach to Yang-Mills theory
For the abelian Yang-Mills theory, a one-to-one correspondence is established between continuum gauge potentials and compatible… Expand
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