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bsonghao / Thermal-Field

thermal field coupled cluster method: A new method for finite temperature electronic structure
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Exam trace condition at low temperature #14

Open bsonghao opened 2 years ago

bsonghao commented 2 years ago

The trace condition: image

should hold at low temperature since the number of electron conserves and all electrons populated at ground state at low temperature

bsonghao commented 2 years ago

72762826c196a69d938881d7fe54dd00e443891e implement the exam

image

Clearly, at low temperature, the partial trace condition is violated.