Singularities in the acoustic Casimir pressure as a function of reflectivities
We study the acoustic Casimir pressure between imperfectly reflecting plates immersed in various isotropic noise backgrounds. Unlike the case of perfect reflectors, the force tends to strong repulsion at small plate separations due to the existence of modes between the plates. Additionally, in a noi...
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| creator | Liebau, Thomas J |
| description | We study the acoustic Casimir pressure between imperfectly reflecting plates
immersed in various isotropic noise backgrounds. Unlike the case of perfect
reflectors, the force tends to strong repulsion at small plate separations due
to the existence of modes between the plates. Additionally, in a noise field of
constant spectral intensity, the large-bandwidth limit of the pressure has a
reflectivity-dependent sensitivity to the infrared cutoff; we uncover the
associated singular behavior as the product of the reflection coefficients
approaches 1, which is intimately connected to a tendency of closely-spaced
plates to repel if placed in a narrowly peaked spectral background. |
| doi_str_mv | 10.48550/arxiv.2106.09521 |
| format | Article |
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immersed in various isotropic noise backgrounds. Unlike the case of perfect
reflectors, the force tends to strong repulsion at small plate separations due
to the existence of modes between the plates. Additionally, in a noise field of
constant spectral intensity, the large-bandwidth limit of the pressure has a
reflectivity-dependent sensitivity to the infrared cutoff; we uncover the
associated singular behavior as the product of the reflection coefficients
approaches 1, which is intimately connected to a tendency of closely-spaced
plates to repel if placed in a narrowly peaked spectral background.</description><identifier>DOI: 10.48550/arxiv.2106.09521</identifier><language>eng</language><subject>Physics - Other Condensed Matter ; Physics - Statistical Mechanics</subject><creationdate>2021-06</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2106.09521$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2106.09521$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Liebau, Thomas J</creatorcontrib><title>Singularities in the acoustic Casimir pressure as a function of reflectivities</title><description>We study the acoustic Casimir pressure between imperfectly reflecting plates
immersed in various isotropic noise backgrounds. Unlike the case of perfect
reflectors, the force tends to strong repulsion at small plate separations due
to the existence of modes between the plates. Additionally, in a noise field of
constant spectral intensity, the large-bandwidth limit of the pressure has a
reflectivity-dependent sensitivity to the infrared cutoff; we uncover the
associated singular behavior as the product of the reflection coefficients
approaches 1, which is intimately connected to a tendency of closely-spaced
plates to repel if placed in a narrowly peaked spectral background.</description><subject>Physics - Other Condensed Matter</subject><subject>Physics - Statistical Mechanics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotj81KxDAUhbNxIaMP4Mq8QGvSJE26lOIfDLpw9uU2udELnXZI2kHf3lrdnMPhwAcfYzdSlNoZI-4gfdG5rKSoS9GYSl6y13caP5YBEs2EmdPI50_k4Kclz-R5C5mOlPgpYc5LWp_Mgcdl9DNNI58iTxgHXNd5A1yxiwhDxuv_3rHD48OhfS72b08v7f2-gNrKAkLfK2cloPJ9DTo47LXx0VYCJSqzpkfrddBS6VpaIa1tACpVWRdcE9SO3f5hN6HulOgI6bv7Fes2MfUDLFNJlg</recordid><startdate>20210617</startdate><enddate>20210617</enddate><creator>Liebau, Thomas J</creator><scope>GOX</scope></search><sort><creationdate>20210617</creationdate><title>Singularities in the acoustic Casimir pressure as a function of reflectivities</title><author>Liebau, Thomas J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a671-adbb3871ae3cb6a4d8eb45cf720e1e350e1ce7c4d413461701779aa23278d89d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Physics - Other Condensed Matter</topic><topic>Physics - Statistical Mechanics</topic><toplevel>online_resources</toplevel><creatorcontrib>Liebau, Thomas J</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Liebau, Thomas J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Singularities in the acoustic Casimir pressure as a function of reflectivities</atitle><date>2021-06-17</date><risdate>2021</risdate><abstract>We study the acoustic Casimir pressure between imperfectly reflecting plates
immersed in various isotropic noise backgrounds. Unlike the case of perfect
reflectors, the force tends to strong repulsion at small plate separations due
to the existence of modes between the plates. Additionally, in a noise field of
constant spectral intensity, the large-bandwidth limit of the pressure has a
reflectivity-dependent sensitivity to the infrared cutoff; we uncover the
associated singular behavior as the product of the reflection coefficients
approaches 1, which is intimately connected to a tendency of closely-spaced
plates to repel if placed in a narrowly peaked spectral background.</abstract><doi>10.48550/arxiv.2106.09521</doi><oa>free_for_read</oa></addata></record> |
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| title | Singularities in the acoustic Casimir pressure as a function of reflectivities |
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