Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2000-03-17
Physics
Condensed Matter
Disordered Systems and Neural Networks
4 pages, 3 figures
Scientific paper
We report combined high sensitivity dielectric constant and heat capacity measurements of pure solid N_2 in the presence of a small external ac electric field in the audio frequency range. We have observed strong field induced aging and memory effects which show that field cooled samples may be prepared in a variety of metastable states leading to a free energy landscape with experimentally ``tunable'' barriers, and tunneling between these states may occur within laboratory time scales.
Hamida J. A.
Muttalib Khandker A.
Pilla Subrahmanyam
Sullivan Neil S.
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