Salecker–Wigner–Peres clock and average tunneling times
The quantum clock of Salecker–Wigner–Peres is used, by performing a post-selection of the final state, to obtain average transmission and reflection times associated to the scattering of localized wave packets by static potentials in one dimension. The behavior of these average times is studied for...
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| Veröffentlicht in: | Physics letters. A 2011-01, Vol.375 (3), p.415-421 |
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| container_title | Physics letters. A |
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| creator | Lunardi, José T. Manzoni, Luiz A. Nystrom, Andrew T. |
| description | The quantum clock of Salecker–Wigner–Peres is used, by performing a post-selection of the final state, to obtain average transmission and reflection times associated to the scattering of localized wave packets by static potentials in one dimension. The behavior of these average times is studied for a Gaussian wave packet, centered around a tunneling wave number, incident on a rectangular barrier and, in particular, on a double delta barrier potential. The regime of opaque barriers is investigated and the results show that the average transmission time does not saturate, showing no evidence of the Hartman effect (or its generalized version). |
| doi_str_mv | 10.1016/j.physleta.2010.11.055 |
| format | Article |
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A</title><description>The quantum clock of Salecker–Wigner–Peres is used, by performing a post-selection of the final state, to obtain average transmission and reflection times associated to the scattering of localized wave packets by static potentials in one dimension. The behavior of these average times is studied for a Gaussian wave packet, centered around a tunneling wave number, incident on a rectangular barrier and, in particular, on a double delta barrier potential. The regime of opaque barriers is investigated and the results show that the average transmission time does not saturate, showing no evidence of the Hartman effect (or its generalized version).</description><subject>Average tunneling times</subject><subject>Barriers</subject><subject>Clocks</subject><subject>Deltas</subject><subject>Gaussian</subject><subject>Hartman effect</subject><subject>Reflection</subject><subject>Salecker–Wigner–Peres quantum clock</subject><subject>Solid state physics</subject><subject>Time dependent tunneling</subject><subject>Tunneling</subject><subject>Wave packets</subject><subject>Wavelengths</subject><issn>0375-9601</issn><issn>1873-2429</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKAzEUhoMoWKuvILNzNWPu08GNUrxBQUHFZcgkZ2raNFOTaaE738E39EmcWl27OofD__1wPoROCS4IJvJ8VizfNslDpwuKt0dSYCH20ICMSpZTTqt9NMCsFHklMTlERynNMO5JXA3QxZP2YOYQvz4-X900_CyPECFlxrdmnulgM72GqKeQdasQwLswzTq3gHSMDhrtE5z8ziF6ubl-Ht_lk4fb-_HVJDesol1OKcOGj0gtG95QTInkllXG0pozDZZpKzirGQDTJZWY4VoybbgQtdRUcs2G6GzXu4zt-wpSpxYuGfBeB2hXSY2EKAmhVPZJuUua2KYUoVHL6BY6bhTBaitLzdSfLLWVpQhRvawevNyB0P-xdhBVMg6CAesimE7Z1v1X8Q1MuHf1</recordid><startdate>20110117</startdate><enddate>20110117</enddate><creator>Lunardi, José T.</creator><creator>Manzoni, Luiz A.</creator><creator>Nystrom, Andrew T.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20110117</creationdate><title>Salecker–Wigner–Peres clock and average tunneling times</title><author>Lunardi, José T. ; Manzoni, Luiz A. ; Nystrom, Andrew T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-2230c481b6f4f202164d39cd2b43aed3ad543b3ee3a726030b63ac455b6a264a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Average tunneling times</topic><topic>Barriers</topic><topic>Clocks</topic><topic>Deltas</topic><topic>Gaussian</topic><topic>Hartman effect</topic><topic>Reflection</topic><topic>Salecker–Wigner–Peres quantum clock</topic><topic>Solid state physics</topic><topic>Time dependent tunneling</topic><topic>Tunneling</topic><topic>Wave packets</topic><topic>Wavelengths</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lunardi, José T.</creatorcontrib><creatorcontrib>Manzoni, Luiz A.</creatorcontrib><creatorcontrib>Nystrom, Andrew T.</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physics letters. A</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lunardi, José T.</au><au>Manzoni, Luiz A.</au><au>Nystrom, Andrew T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Salecker–Wigner–Peres clock and average tunneling times</atitle><jtitle>Physics letters. A</jtitle><date>2011-01-17</date><risdate>2011</risdate><volume>375</volume><issue>3</issue><spage>415</spage><epage>421</epage><pages>415-421</pages><issn>0375-9601</issn><eissn>1873-2429</eissn><abstract>The quantum clock of Salecker–Wigner–Peres is used, by performing a post-selection of the final state, to obtain average transmission and reflection times associated to the scattering of localized wave packets by static potentials in one dimension. 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| ispartof | Physics letters. A, 2011-01, Vol.375 (3), p.415-421 |
| issn | 0375-9601 1873-2429 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Average tunneling times Barriers Clocks Deltas Gaussian Hartman effect Reflection Salecker–Wigner–Peres quantum clock Solid state physics Time dependent tunneling Tunneling Wave packets Wavelengths |
| title | Salecker–Wigner–Peres clock and average tunneling times |
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