May 16, 17 and 20: Stockholm.
May 13: Carrera Popular Triana (10.497 m, temperature between 27 and 29 degrees Celsius), Sevilla.
May 7: Review (in Spanish) of M. F. Pusey, J. Barrett and T. Rudolph, "On the reality of the quantum state", Nature Physics online, May 6, 2012 for the Real Sociedad Española de Física.
May 4: Marea in Sevilla.
April 22: Around 46 minutes at the Carrera Popular Nervión (9.050 m), Sevilla. Photos: 1 and 2 (photos by Carmen Santana).
April 20: Football (CERCON 2012): Students 3-Professors 4. Photos soon.
April 19: 2:17 in the IX Vuelta al Rectorado (670 m), Sevilla. Photos: 1 (unknown photographer) and 2 (photo by Carmen Santana).
April 18: "Loophole-free Bell test based on local pre-certification of photon's
presence",
in collaboration with
Fabio Sciarrino,
accepted for publication in Phys. Rev. X.
April 18: "Tight inequalities for qutrit state-independent contextuality",
in collaboration with
Costantino Budroni,
Otfried Gühne,
Matthias Kleinmann,
and
Jan-Åke Larsson,
posted as
arXiv:1204.3741 [quant-ph].
Photos: With Otfried, Matthias and Jan-Åke, state-independent contextuality (notice that 37=13+24; the number of vertices and edges of the Yu-Oh set).
April 17: "Experimental device-independent tests of classical and quantum dimensions",
in collaboration with
Johan Ahrens,
Piotr Badziąg
and Mohamed Bourennane,
accepted for publication in Nature Physics.
April 15: Monasterio de Tentudía (Badajoz).
April 15: 45:25 in the III Carrera Popular Ciudad de Majadahonda (less than 10.000 m). Photos:
1 and
2 (photos by Carmen Santana).
April 13: Oropesa (Toledo).
April 10: "Quantum steering without inequalities",
in collaboration with
Jing-Ling Chen,
Xiang-Jun Ye,
Chunfeng Wu,
Hong-Yi Su,
Leong Chuan Kwek and
Choo Hiap Oh,
posted as
arXiv:1204.1870 [quant-ph].
April 7: "Experimental fully contextual correlations", in collaboration with
Elias Amselem,
Lars Eirik Danielsen,
Antonio J. López-Tarrida,
José R. Portillo and
Mohamed Bourennane,
accepted for publication in Phys. Rev. Lett.
March 12: Adrian Kent in Sevilla.
March 11: 48:33 in the Circuito Divina Pastora (10.000 m), Sevilla. Stretching after running (photo by Carmen Santana).
March 6: "Fully nonlocal, monogamous and random genuinely multipartite quantum correlations",
in collaboration with
Leandro Aolita,
Rodrigo Gallego and
Antonio Acín,
published as Phys. Rev. Lett. 108, 10, 100401 (2012). With Leandro, Rodrigo and Toni two weeks ago: 1 and 2 (photos by Jonatan Bohr Brask).
March 5: "Fully nonlocal quantum correlations",
in collaboration with
Leandro Aolita,
Rodrigo Gallego,
Antonio Acín,
Andrea Chiuri,
Giuseppe Vallone
and Paolo Mataloni,
published as Phys. Rev. A 85, 3, 032107 (2012).
"Proposed experiments of qutrit state-independent contextuality and two-qutrit contextuality-based nonlocality", in collaboration with
Elias Amselem,
Kate Blanchfield,
Mohamed Bourennane and
Ingemar Bengtsson,
published as Phys. Rev. A 85, 3, 032108 (2012).
With Antonio, Leandro, Rodrigo,
Paolo, Andrea, Pino,
Ingemar, Kate, Elias and Mohamed.
February 28: "Experimental observation of impossible-to-beat quantum advantage on a hybrid photonic system", in collaboration with
Eleonora Nagali,
Vincenzo D'Ambrosio and
Fabio Sciarrino, published as
Phys. Rev. Lett. 108, 9, 090501 (2012).
Photo with the Rome Quantum Optics Group in December 2011 (photo by Marco Barbieri).
February 23: Seminar at ICFO, Castelldefels, Barcelona.
February 23: "Proposed experiments of qutrit state-independent contextuality and two-qutrit contextuality-based nonlocality", in collaboration with
Elias Amselem,
Kate Blanchfield,
Mohamed Bourennane and
Ingemar Bengtsson,
accepted for publication in Phys. Rev. A.
With Ingemar, Kate, Elias and Mohamed in December 2011.
February 23-26: Barcelona. With Leandro Aolita, Rodrigo Gallego and Antonio Acín 1 and 2 (photos by Jonatan Bohr Brask). Device-independent approach.
February 15: "Fully nonlocal quantum correlations",
in collaboration with
Leandro Aolita,
Rodrigo Gallego,
Antonio Acín,
Andrea Chiuri,
Giuseppe Vallone
and Paolo Mataloni,
accepted for publication in Phys. Rev. A.
With Antonio Acín, Leandro Aolita and Rodrigo Gallego and
with Paolo Mataloni, Andrea Chiuri and Pino Vallone.
February 10: C I N C O.
February 6: Talk at the University of Siegen.
February 5-12: Siegen. Photos: With Otfried, Matthias and Jan-Åke, state-independent contextuality.
January 27: "Quantum contextuality emerging from relativity",
in collaboration with
Jing-Ling Chen,
Hong-Yi Su,
Chunfeng Wu,
Dong-Ling Deng,
Leong Chuan Kwek and
Choo Hiap Oh,
posted as
arXiv:1201.5590 [quant-ph].
January 20: Amaral in Sevilla.
January 20: Seminar at the Universidad de Granada.
January 18: Seminar at the Universidad de Granada.
January 17-20: Granada.
January 13: Ramij Rahaman's Ph. D. thesis at the University of Bergen.
January 13: "Fully nonlocal, monogamous and random genuinely multipartite quantum correlations",
in collaboration with
Leandro Aolita,
Rodrigo Gallego and
Antonio Acín,
accepted for publication in Phys. Rev. Lett.
Photo with Antonio Acín, Leandro Aolita and Rodrigo Gallego in Benasque 2011.
January 12: Talk at the University of Bergen.
January 11-15: Bergen. Photo with Simone Severini and Matthew G. Parker.
January 4: "Minimal proofs of state-independent contextuality",
posted as
arXiv:1201.0374 [quant-ph].
January 1: Happy new year!
December 31: 48:02 in my 10th San Silvestre Vallecana. This year we were 38,000. 10 San Silvestres (and many things) have passed between these two photos: 31-12-2002 and 31-12-2011.
December 30: "Bell inequalities from variable elimination methods",
in collaboration with Costantino Budroni,
posted as
arXiv:1112.5876 [quant-ph].
Photo with Costantino, Ángel R. Plastino and Jesús Sánchez-Dehesa in Granada in January 2011.
December 27: "A Kochen-Specker inequality from a SIC", in collaboration with
Ingemar Bengtsson and
Kate Blanchfield,
published as Phys. Lett. A 376, 4, 374-376 (2012).
Photo with Ingemar and Kate.
December 22: "Simple unified proof of state-independent contextuality",
posted as
arXiv:1112.5149 [quant-ph].
December 20: Villa Torlonia. Quantum Optics Group with panettone (photo by Marco Barbieri).
December 19 and 20: Seminars at "La Sapienza", Rome.
December 18-21: Rome.
December 18: Carrera de Navidad, Sevilla. Photo.
December 16: Talk at the Universidad de Málaga.
December 15: Sad news: Milagros Naval has passed away. Photo with Milagros in December 2004 (photo by Pilar Calvo).
December 14: "A Kochen-Specker inequality from a SIC", in collaboration with
Ingemar Bengtsson and
Kate Blanchfield,
published online in Phys. Lett. A.
Photo with Ingemar and Kate.
December 10: Ernst Specker has passed away at the age of 91.
Photos taken by Arthur Jaffe on June 17, 2009 at Jürg Fröhlich's home in Zürich.
December 9: "Bell tests with arbitrarily low efficiency photodetection and homodyne measurements", in collaboration with
Mateus Araújo,
Marco Túlio Quintino,
Daniel Cavalcanti,
Marcelo França Santos and
Marcelo Terra Cunha,
posted as
arXiv:1112.1719 [quant-ph].
Photo with Marcelo (França Santos), Marco Túlio, Mateus, Marcelo (Terra Cunha) and Daniel (photo by Leandro Aolita).
December 7: "A Kochen-Specker inequality from a SIC", in collaboration with
Ingemar Bengtsson and
Kate Blanchfield,
accepted for publication in Phys. Lett. A.
December 6: "Quantum social networks", in collaboration with
Lars Eirik Danielsen,
Antonio J. López-Tarrida and
José R. Portillo,
posted as
arXiv:1112.0617 [physics.soc-ph].
December 4-December 15: Stockholm.
December 3: Wizz Air canceled the flight Gdańsk-Skavsta and put us in this nice palace.
November 30-December 3: Visiting the National Quantum Information Centre of Gdańsk.
With Karol, Dominik, Michał and Ryszard Horodecki, Mohamed Bourennane and Paweł Horodecki.
November 25: Andrés Suárez in La Estación, Sevilla.
November 24: Talk at the Universidad Complutense de Madrid.
November 22: Carlos Sabín's Ph. D. thesis at the Universidad Complutense de Madrid.
November 21: "Quantum Information", Fundación Ramón Areces, Madrid. Photo. From left to right, in the upper row: Nikolai Kiesel, Fabio Sciarrino, Enrique Solano, Antonio Acín, Mohamed Bourennane and Harald Weinfurter; in the lower row: Ignacio Cirac, Rosario Heras, Federico Mayor and Raimundo Pérez-Hernández (Photo: Fundación Ramón Areces).
November 20: Today in Diario de Sevilla: 1 and 2.
November 17: "Experimental fully contextual correlations", in collaboration with
Elias Amselem,
Lars Eirik Danielsen,
Antonio J. López-Tarrida,
José R. Portillo and
Mohamed Bourennane,
posted as
arXiv:1111.3743 [quant-ph].
November 16: Stacey Kent at Fasching, Stockholm. Photo.
November 9: "Memory cost of quantum contextuality", in collaboration with
Matthias Kleinmann,
Otfried Gühne,
José R. Portillo and
Jan-Åke Larsson,
published as New J. Phys. 13, 11, 113011 (2011).
Photo with Otfried, Jan-Åke and Matthias.
November 8: "Experimental device-independent tests of classical and quantum dimensions",
in collaboration with
Johan Ahrens,
Piotr Badziąg
and Mohamed Bourennane,
posted as
arXiv:1111.1277 [quant-ph].
