25 lines
584 B
C++
25 lines
584 B
C++
/**********************************************************
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This software is part of J.-S. Caux's ABACUS library.
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Copyright (c) J.-S. Caux.
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-----------------------------------------------------------
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File: src/ODSLF/ODSLF_Chem_Pot.cc
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Purpose: calculates the chemical potential.
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***********************************************************/
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#include "ABACUS.h"
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namespace ABACUS {
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DP Chemical_Potential (const ODSLF_Bethe_State& RefState)
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{
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return(-H_vs_M (RefState.chain.Delta, RefState.chain.Nsites, RefState.base.Mdown)); // - sign since E_{M+1} - E_M = -H
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}
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}
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