{
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  "authors": [
    {
      "affiliations": [
        {
          "country": "Taiwan", 
          "value": "Department of Physics, National Tsing-Hua University, Hsinchu, 30013, Taiwan", 
          "organization": "National Tsing-Hua University"
        }, 
        {
          "country": "Taiwan", 
          "value": "Center of Theory and Computation, National Tsing-Hua University, Hsinchu, 30013, Taiwan", 
          "organization": "National Tsing-Hua University"
        }, 
        {
          "country": "Taiwan", 
          "value": "Physics Division, National Center for Theoretical Sciences, Taipei, 10617, Taiwan", 
          "organization": "Physics Division, National Center for Theoretical Sciences"
        }
      ], 
      "surname": "Chu", 
      "email": "cschu@phys.nthu.edu.tw", 
      "full_name": "Chu, Chong-Sun", 
      "given_names": "Chong-Sun"
    }, 
    {
      "affiliations": [
        {
          "country": "Taiwan", 
          "value": "Center of Theory and Computation, National Tsing-Hua University, Hsinchu, 30013, Taiwan", 
          "organization": "National Tsing-Hua University"
        }, 
        {
          "country": "Taiwan", 
          "value": "Physics Division, National Center for Theoretical Sciences, Taipei, 10617, Taiwan", 
          "organization": "Physics Division, National Center for Theoretical Sciences"
        }
      ], 
      "surname": "Parihar", 
      "email": "himansp@phys.ncts.ntu.edu.tw", 
      "full_name": "Parihar, Himanshu", 
      "given_names": "Himanshu"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "Time-like entanglement entropy in AdS/BCFT"
    }
  ], 
  "dois": [
    {
      "value": "10.1007/JHEP06(2023)173"
    }
  ], 
  "publication_info": [
    {
      "page_end": "23", 
      "journal_title": "Journal of High Energy Physics", 
      "material": "article", 
      "journal_volume": "2023", 
      "artid": "JHEP06(2023)173", 
      "year": 2023, 
      "page_start": "1", 
      "journal_issue": "6"
    }
  ], 
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  "acquisition_source": {
    "date": "2023-09-24T00:31:49.095892", 
    "source": "Springer", 
    "method": "Springer", 
    "submission_number": "7ecceed25a7111ee9688729695cabdc8"
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  "page_nr": [
    23
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  "license": [
    {
      "url": "https://creativecommons.org/licenses//by/4.0", 
      "license": "CC-BY-4.0"
    }
  ], 
  "copyright": [
    {
      "holder": "The Author(s)", 
      "year": "2023"
    }
  ], 
  "control_number": "78558", 
  "record_creation_date": "2023-06-28T09:52:08.163965", 
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  "collections": [
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      "primary": "Journal of High Energy Physics"
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  "arxiv_eprints": [
    {
      "categories": [
        "hep-th"
      ], 
      "value": "2304.10907"
    }
  ], 
  "abstracts": [
    {
      "source": "Springer", 
      "value": "We study the entanglement entropy for time-like subsystem in two-dimensional boundary conformal field theory (BCFT) both from the field theory and holographic point of view. In field theory, we compute the time-like entanglement entropy of a pure time-like interval at zero and finite temperature using the replica technique and analytical continuation. We find that, similar to the ordinary space-like entanglement entropy in BCFT, the time-like entropy also has a bulk phase and a boundary phase which corresponds respectively to the dominance of the identity block in the bulk and boundary OPE channels. However, we find that in Lorentzian BCFT, the time-like entanglement entropy posses a third Regge phase which arises in the Regge limit of the interval, when one endpoint of the time interval approaches the light cone of the mirror image of the other endpoint. We determine the phase diagram for the time-like entanglement entropy. We find that while the time-like entropy is complex in the bulk phase and has a boundary term in the boundary phase, there is no boundary entropy in the Regge phase. Moreover, it can be real or complex depending on which side the Regge limit is approached from. On the gravity side, we obtain the holographic time-like entanglement entropy from the corresponding bulk dual geometries and find exact agreement with the field theory results. The time-like entanglement entropy may be useful to describe the entanglement of a quantum dot on a half line."
    }
  ], 
  "imprints": [
    {
      "date": "2023-06-26", 
      "publisher": "Springer"
    }
  ]
}