---
_id: '26359'
author:
- first_name: W.
  full_name: Vogel, W.
  last_name: Vogel
- first_name: T.
  full_name: Kiesel, T.
  last_name: Kiesel
- first_name: Jan
  full_name: Sperling, Jan
  id: '75127'
  last_name: Sperling
  orcid: 0000-0002-5844-3205
citation:
  ama: Vogel W, Kiesel T, Sperling J. Characterizing nonclassicality and entanglement.
    <i>Optics and Spectroscopy</i>. Published online 2010:197-205. doi:<a href="https://doi.org/10.1134/s0030400x10020074">10.1134/s0030400x10020074</a>
  apa: Vogel, W., Kiesel, T., &#38; Sperling, J. (2010). Characterizing nonclassicality
    and entanglement. <i>Optics and Spectroscopy</i>, 197–205. <a href="https://doi.org/10.1134/s0030400x10020074">https://doi.org/10.1134/s0030400x10020074</a>
  bibtex: '@article{Vogel_Kiesel_Sperling_2010, title={Characterizing nonclassicality
    and entanglement}, DOI={<a href="https://doi.org/10.1134/s0030400x10020074">10.1134/s0030400x10020074</a>},
    journal={Optics and Spectroscopy}, author={Vogel, W. and Kiesel, T. and Sperling,
    Jan}, year={2010}, pages={197–205} }'
  chicago: Vogel, W., T. Kiesel, and Jan Sperling. “Characterizing Nonclassicality
    and Entanglement.” <i>Optics and Spectroscopy</i>, 2010, 197–205. <a href="https://doi.org/10.1134/s0030400x10020074">https://doi.org/10.1134/s0030400x10020074</a>.
  ieee: 'W. Vogel, T. Kiesel, and J. Sperling, “Characterizing nonclassicality and
    entanglement,” <i>Optics and Spectroscopy</i>, pp. 197–205, 2010, doi: <a href="https://doi.org/10.1134/s0030400x10020074">10.1134/s0030400x10020074</a>.'
  mla: Vogel, W., et al. “Characterizing Nonclassicality and Entanglement.” <i>Optics
    and Spectroscopy</i>, 2010, pp. 197–205, doi:<a href="https://doi.org/10.1134/s0030400x10020074">10.1134/s0030400x10020074</a>.
  short: W. Vogel, T. Kiesel, J. Sperling, Optics and Spectroscopy (2010) 197–205.
date_created: 2021-10-15T17:02:08Z
date_updated: 2022-01-06T06:57:19Z
doi: 10.1134/s0030400x10020074
extern: '1'
language:
- iso: eng
page: 197-205
publication: Optics and Spectroscopy
publication_identifier:
  issn:
  - 0030-400X
  - 1562-6911
publication_status: published
status: public
title: Characterizing nonclassicality and entanglement
type: journal_article
user_id: '75127'
year: '2010'
...
---
_id: '26360'
author:
- first_name: Jan
  full_name: Sperling, Jan
  id: '75127'
  last_name: Sperling
  orcid: 0000-0002-5844-3205
- first_name: W.
  full_name: Vogel, W.
  last_name: Vogel
citation:
  ama: Sperling J, Vogel W. Verifying continuous-variable entanglement in finite spaces.
    <i>Physical Review A</i>. Published online 2009. doi:<a href="https://doi.org/10.1103/physreva.79.052313">10.1103/physreva.79.052313</a>
  apa: Sperling, J., &#38; Vogel, W. (2009). Verifying continuous-variable entanglement
    in finite spaces. <i>Physical Review A</i>. <a href="https://doi.org/10.1103/physreva.79.052313">https://doi.org/10.1103/physreva.79.052313</a>
  bibtex: '@article{Sperling_Vogel_2009, title={Verifying continuous-variable entanglement
    in finite spaces}, DOI={<a href="https://doi.org/10.1103/physreva.79.052313">10.1103/physreva.79.052313</a>},
    journal={Physical Review A}, author={Sperling, Jan and Vogel, W.}, year={2009}
    }'
  chicago: Sperling, Jan, and W. Vogel. “Verifying Continuous-Variable Entanglement
    in Finite Spaces.” <i>Physical Review A</i>, 2009. <a href="https://doi.org/10.1103/physreva.79.052313">https://doi.org/10.1103/physreva.79.052313</a>.
  ieee: 'J. Sperling and W. Vogel, “Verifying continuous-variable entanglement in
    finite spaces,” <i>Physical Review A</i>, 2009, doi: <a href="https://doi.org/10.1103/physreva.79.052313">10.1103/physreva.79.052313</a>.'
  mla: Sperling, Jan, and W. Vogel. “Verifying Continuous-Variable Entanglement in
    Finite Spaces.” <i>Physical Review A</i>, 2009, doi:<a href="https://doi.org/10.1103/physreva.79.052313">10.1103/physreva.79.052313</a>.
  short: J. Sperling, W. Vogel, Physical Review A (2009).
date_created: 2021-10-15T17:02:34Z
date_updated: 2022-01-06T06:57:19Z
doi: 10.1103/physreva.79.052313
extern: '1'
language:
- iso: eng
publication: Physical Review A
publication_identifier:
  issn:
  - 1050-2947
  - 1094-1622
publication_status: published
status: public
title: Verifying continuous-variable entanglement in finite spaces
type: journal_article
user_id: '75127'
year: '2009'
...
---
_id: '26361'
author:
- first_name: Jan
  full_name: Sperling, Jan
  id: '75127'
  last_name: Sperling
  orcid: 0000-0002-5844-3205
- first_name: W.
  full_name: Vogel, W.
  last_name: Vogel
citation:
  ama: Sperling J, Vogel W. Representation of entanglement by negative quasiprobabilities.
    <i>Physical Review A</i>. Published online 2009. doi:<a href="https://doi.org/10.1103/physreva.79.042337">10.1103/physreva.79.042337</a>
  apa: Sperling, J., &#38; Vogel, W. (2009). Representation of entanglement by negative
    quasiprobabilities. <i>Physical Review A</i>. <a href="https://doi.org/10.1103/physreva.79.042337">https://doi.org/10.1103/physreva.79.042337</a>
  bibtex: '@article{Sperling_Vogel_2009, title={Representation of entanglement by
    negative quasiprobabilities}, DOI={<a href="https://doi.org/10.1103/physreva.79.042337">10.1103/physreva.79.042337</a>},
    journal={Physical Review A}, author={Sperling, Jan and Vogel, W.}, year={2009}
    }'
  chicago: Sperling, Jan, and W. Vogel. “Representation of Entanglement by Negative
    Quasiprobabilities.” <i>Physical Review A</i>, 2009. <a href="https://doi.org/10.1103/physreva.79.042337">https://doi.org/10.1103/physreva.79.042337</a>.
  ieee: 'J. Sperling and W. Vogel, “Representation of entanglement by negative quasiprobabilities,”
    <i>Physical Review A</i>, 2009, doi: <a href="https://doi.org/10.1103/physreva.79.042337">10.1103/physreva.79.042337</a>.'
  mla: Sperling, Jan, and W. Vogel. “Representation of Entanglement by Negative Quasiprobabilities.”
    <i>Physical Review A</i>, 2009, doi:<a href="https://doi.org/10.1103/physreva.79.042337">10.1103/physreva.79.042337</a>.
  short: J. Sperling, W. Vogel, Physical Review A (2009).
date_created: 2021-10-15T17:03:02Z
date_updated: 2022-01-06T06:57:19Z
doi: 10.1103/physreva.79.042337
extern: '1'
language:
- iso: eng
publication: Physical Review A
publication_identifier:
  issn:
  - 1050-2947
  - 1094-1622
publication_status: published
status: public
title: Representation of entanglement by negative quasiprobabilities
type: journal_article
user_id: '75127'
year: '2009'
...
---
_id: '26362'
author:
- first_name: Jan
  full_name: Sperling, Jan
  id: '75127'
  last_name: Sperling
  orcid: 0000-0002-5844-3205
- first_name: W.
  full_name: Vogel, W.
  last_name: Vogel
citation:
  ama: Sperling J, Vogel W. Necessary and sufficient conditions for bipartite entanglement.
    <i>Physical Review A</i>. Published online 2009. doi:<a href="https://doi.org/10.1103/physreva.79.022318">10.1103/physreva.79.022318</a>
  apa: Sperling, J., &#38; Vogel, W. (2009). Necessary and sufficient conditions for
    bipartite entanglement. <i>Physical Review A</i>. <a href="https://doi.org/10.1103/physreva.79.022318">https://doi.org/10.1103/physreva.79.022318</a>
  bibtex: '@article{Sperling_Vogel_2009, title={Necessary and sufficient conditions
    for bipartite entanglement}, DOI={<a href="https://doi.org/10.1103/physreva.79.022318">10.1103/physreva.79.022318</a>},
    journal={Physical Review A}, author={Sperling, Jan and Vogel, W.}, year={2009}
    }'
  chicago: Sperling, Jan, and W. Vogel. “Necessary and Sufficient Conditions for Bipartite
    Entanglement.” <i>Physical Review A</i>, 2009. <a href="https://doi.org/10.1103/physreva.79.022318">https://doi.org/10.1103/physreva.79.022318</a>.
  ieee: 'J. Sperling and W. Vogel, “Necessary and sufficient conditions for bipartite
    entanglement,” <i>Physical Review A</i>, 2009, doi: <a href="https://doi.org/10.1103/physreva.79.022318">10.1103/physreva.79.022318</a>.'
  mla: Sperling, Jan, and W. Vogel. “Necessary and Sufficient Conditions for Bipartite
    Entanglement.” <i>Physical Review A</i>, 2009, doi:<a href="https://doi.org/10.1103/physreva.79.022318">10.1103/physreva.79.022318</a>.
  short: J. Sperling, W. Vogel, Physical Review A (2009).
date_created: 2021-10-15T17:03:25Z
date_updated: 2022-01-06T06:57:19Z
doi: 10.1103/physreva.79.022318
extern: '1'
language:
- iso: eng
publication: Physical Review A
publication_identifier:
  issn:
  - 1050-2947
  - 1094-1622
publication_status: published
status: public
title: Necessary and sufficient conditions for bipartite entanglement
type: journal_article
user_id: '75127'
year: '2009'
...