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Event 

Title:
César Fosco (Inst. Balseiro): Grounded vs Isolated Conductors in the Casimir Effect
When:
10.07.2017 11.00 h
Where:
Auditório 201 - Niterói
Categoría:
Seminários

Description

Seminários de Física Teórica

 

Na próxima segunda-feira, dia 10/07, acontecerá o seminário de Física Teórica
às 11:00 na sala 201. Todos são bem-vindos! Os detalhes seguem abaixo:

Palestrante: César Fosco (Instituto Balseiro)

Título: Grounded vs Isolated Conductors in the Casimir Effect

The Casimir effect for a system of neutral conductors depends on a detail
which may sometimes be overlooked: whether the conductors are grounded or
isolated.  We study the difference between those two situations, and
quantify it for a zero-temperature system and also for the so-called
classical Casimir effect (i.e., in the high temperature limit).
We show that the difference between those two cases can be written in terms of a fluctuation determinant depending on a generalized, frequency-dependent
capacitance matrix.  Using a multipolar expansion, we show that the
grounded Casimir energy includes a monopole-monopole interaction term that
is absent in the isolated case.

 

Venue

Map
Grupo:
Auditório 201
Street:
Av. Litorânea
ZIP:
24210-346
City:
Niterói
State:
Rj
Country:
Country: br

Description

Sorry, no description available
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