| 玻璃中两能级隧道态耦合态及其对低频声吸收的影响 |
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| 引用本文： | 王国梁.玻璃中两能级隧道态耦合态及其对低频声吸收的影响[J].物理学报,1997,46(5):938-947. |
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| 作者姓名： | 王国梁 |
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| 作者单位： | 苏州铁道师范学院物理系 |
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| 摘 要： | 讨论了在声子作用下，两能级隧道态耦合态激发和退激发规律，并用此理论解释低温低频声吸收规律
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| 关 键 词： | 隧道态 玻璃 耦合态 非晶 低温热学异常 |
| 收稿时间： | 7/3/1996 12:00:00 AM |
TLS-COUPLING STATE AND ITS EFFECT ON THE LOW FREQUENCY SOUND ABSORPTION IN GLASSES |
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| WANG GUO-LIANG.TLS-COUPLING STATE AND ITS EFFECT ON THE LOW FREQUENCY SOUND ABSORPTION IN GLASSES[J].Acta Physica Sinica,1997,46(5):938-947. |
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| Authors: | WANG GUO-LIANG |
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| Abstract: | The occurrence of transitions between two tunneling states of two-level systems(TLS) in glasses is attributed to the coupling to a phonon field. The coupling makes TLS form new “polar coupling states”, we call them as TLS-phonon coupling states. The behaviour of the excitation and de-excitation of TLS coupling states via the interaction with phonon is presented to explain the experimental characteristics of the low-frequency sound absorption in glasses at low temperatures. |
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