# It from Qubit: Postdocs

### Joan Camps

Joan Camps is originally from Barcelona, where he earned a Ph.D. in general relativity advised by Roberto Emparan. After postdoc fellowships at Durham University and Cambridge University, he joined the It for Qubit network at its London node. He has worked on geometric aspects of entanglement in field theory and gravity, and has contributed to a generalization of Wald’s entropy formula for theories of gravity with higher derivative interactions.

### Paweł Caputa

Paweł Caputa is a member of the Yukawa Institute for Theoretical Physics in Kyoto, Japan. He received his Ph.D. from the Niels Bohr Institute in Copenhagen in 2011 and was a postdoctoral researcher at the University of the Witwatersrand in Johannesburg, South Africa, and the Nordic Institute for Theoretical Physics in Stockholm, Sweden, bridged by the short-term Japan Society for the Promotion of Science fellowship in Kyoto. He has worked on integrability, 1/N corrections and representation theory in gauge theories. His recent work focuses on entanglement in QFT and, in particular, on the evolution of entanglement measures in excited states of quantum many-body systems. Together with Tadashi Takayanagi, he has been working on constraints on holographic field theories from entanglement dynamics.

### Felix Haehl

Felix Haehl is a postdoc at University of British Columbia, Vancouver. In 2016, he obtained his Ph.D. from Durham University under the supervision of Mukund Rangamani. In 2012, he graduated from ETH Zürich with an M.S. degree. He is ultimately interested in understanding aspects of quantum gravity using holographic techniques. He is currently focusing on the structure of entanglement and associated notions of entropy in quantum field theory, for these are deeply connected with questions about gravity, black holes and the emergence of space-time. He is also working on non-equilibrium, finite-temperature field theory. In this context, he has previously been involved in a classification of transport in the hydrodynamic regime. He is investigating how insights obtained there may be used to learn more about space-time structure and the second law in dynamical gravity.

### Eliot Hijano

Eliot Hijano is a postdoc at the University of British Columbia. He received his Ph.D. from the University of California, Los Angeles, under the supervision of Per Kraus and Michael Gutperle. His most recent work focuses on holography and aims at the gravitational description of objects that are naturally defined in field theory. Much of his research revolves around three-dimensional gravity and higher spin theories, which provide a testing ground for ideas about classical and quantum gravity.

### Aitor Lewkowycz

Aitor Lewkowycz is a postdoc at Stanford University. Originally from Spain, he was part of the Perimeter Scholars International’s master’s program at Perimeter Institute in Waterloo, Canada. He obtained his Ph.D. from Princeton University under the supervision of Juan Maldacena. His research is based in entanglement entropy in holographic systems, with the particular motivation of understanding how entanglement works in gravity.

### Javier Magán

Javier Magán is a postdoc at the Instituto Balseiro, Centro Atómico de Bariloche, Argentina. He received his Ph.D. at the Instituto de Física Teórica UAM-CSIC, Madrid, under the supervision of José Barbón. From 2013 to 2016, he was a postdoc at the International Institute of Physics, Natal, Brazil, and a Delta-Institute for Theoretical Physics postdoctoral fellow in Utrecht, Netherlands. His research focuses on quantum aspects of black holes, particularly in understanding how black holes relax toward equilibrium at the microscopic level, using perspectives such as information scrambling, entropy evolution and complexity dynamics. Another objective is to understand the mechanism by which the black hole geometry and its associated dynamics emerge from such microscopic behavior. More generally, he is interested in the paradigm of emergent gravity, especially in the context of AdS/CFT.

### Henry Maxfield

Henry Maxfield is a postdoc at McGill University. Originally from the UK, he studied mathematics at Cambridge University for his undergraduate and master’s degrees before moving to Durham, where he received his Ph.D. in 2015, supervised by Veronika Hubeny. His research centers on understanding how and why calculations quantifying quantum information map to geometric problems in gravity. Much of his recent work focuses on gravity in three space-time dimensions, where many problems become more tractable.

### Onkar Parrikar

Onkar Parrikar is a postdoctoral fellow at the University of Pennsylvania. Originally from India, he earned his Ph.D. from the University of Illinois at Urbana-Champaign under the supervision of Robert G. Leigh. His recent work has focused on universal features of entanglement in quantum field theories and AdS/CFT. His long-term research interests include understanding the connection between geometry and quantum information theory within the AdS/CFT correspondence.

### Charles Rabideau

Charles Rabideau is a postdoc at the University of Pennsylvania. He received his Ph.D. from the University of British Columbia under the supervision of Joanna Karczmarek. He is interested in how holographic geometries are encoded in entanglement entropies. His recent work focuses on relating entanglement inequalities to constraints on holographic space-times and studying the entanglement of states in holographic theories with classical gravitational duals.

### Daniel Roberts

Daniel Roberts is a postdoc at the Institute for Advanced Study in Princeton, New Jersey, and received his Ph.D. from the Massachusetts Institute of Technology. He is interested in the interplay between quantum chaos, computational complexity, randomness and, more generally, how the laws of physics are related to fundamental limits of computation. To that end, his work has focused on the relationship between chaos in strongly coupled quantum systems and black holes in anti-de Sitter space. He is also interested in machine learning and artificial intelligence (with an eye toward applications in theoretical physics).

### Massimiliano Rota

Max Rota is a postdoc at the University of California, Santa Barbara, and the Kavli Institute for Theoretical Physics. He received his Ph.D. from Durham University under the supervision of Mukund Rangamani. His research focuses on quantum features like entanglement and non-locality, the corresponding concepts in quantum field theory,and the role they play in quantum gravity via the AdS/CFT correspondence. Motivated by questions in quantum gravity, he is also interested in aspects of quantum foundations like the measurement problem, the consistent histories formulation of quantum mechanics and the quantum-to-classical transition.

### Burak Şahinoğlu

Burak Şahinoğlu is a postdoc at IQIM-Caltech. Originally from Turkey, he obtained his M.S. from ETH Zürich and Ph.D. from the University of Vienna. His research interests spread from quantum information to low/high energy physics. In particular, he is interested in quantum marginal problem, classification of quantum phases and, lately, renormalization of physical theories. He approaches the problems by employing representation theory, category theory, quantum information and tensor networks, and he tries to find connections to topology and geometry.

### Gábor Sárosi

Gábor Sárosi is a postdoc shared between the Vrije Universiteit Brussel and the University of Pennsylvania. He received his Ph.D. from the Budapest University of Technology and Economics, Hungary, in 2016 under the supervision of Péter Lévay. His work includes studying entanglement in fermionic systems, constructing duality invariant black hole entropy formulae and some work on warped conformal field theories, a set of unusual theories whose existence was partially motivated by holography. Currently, he is interested in various entanglement properties of different states in quantum field theories and their role in the possible emergence of a holographic dual space-time.

### Douglas Stanford

Douglas Stanford is a postdoc at the Institute for Advanced Study, in Princeton, New Jersey. He received his Ph.D. from Stanford University under the supervision of Leonard Susskind. His recent work has focused on the quantum properties of black holes and on chaotic dynamics in systems with many degrees of freedom. With Maldacena and Shenker, he proved a bound on many-body chaos that is saturated by black holes.

### Bogdan Stoica

Bogdan Stoica is a postdoctoral scholar at Brandeis University. He obtained his Ph.D. in 2016 from California Institute of Technology under the supervision of Hirosi Ooguri. He is exploring the interface of gravity, quantum field theory and information theory, having worked on deriving gravitational constraints from information inequalities and on characterizing allowed entanglement entropies in holography, among other things. More recently, he has developed an interest in number theory.

### Beni Yoshida

Beni Yoshida is currently a five-year senior postdoctoral researcher at Perimeter Institute for Theoretical Physics. He received his Ph.D. in physics in 2012 from Massachusetts Institute of Technology under the supervision of Edward Farhi and Peter Shor. Afterward, he was awarded the David and Ellen Lee Postdoctoral Scholarship in Theoretical Physics at California Institute of Technology (2012–2015) working in John Preskill’s group.

His research is focused on applications of quantum information theory to problems of quantum many-body physics. In particular, he has used the techniques of quantum coding theory to find novel topological phases of matter and developed a framework of classifying fault-tolerant logical gates by using topological gauge theories. More recently, he has become interested in black hole physics, trying to expand his horizons further.