Publications (22)
Quarkonium dissociation by anisotropy
Mariano Chernicoff, Daniel Fernandez, David Mateos +1
We compute the screening length for quarkonium mesons moving through an anisotropic, strongly coupled N=4 super Yang-Mills plasma by means of its gravity dual. We present the resul…
Cherenkov mesons as in-medium quark energy loss
Jorge Casalderrey-Solana, Daniel Fernandez, David Mateos
We recently showed that a heavy quark moving sufficiently fast through a quark-gluon plasma may lose energy by Cherenkov-radiating mesons [1]. Here we review our previous holograph…
Defect detection in III-V multijunction solar cells using reverse-bias stress tests
Aitana Cano, Iván GarcÃa, Ignacio Rey-Stolle +3
Reverse biasing triple-junction GaInP/Ga(In)As/Ge solar cells may affect their performance by the formation of permanent shunts even if the reverse breakdown voltage is not reached…
Spatially Resolving the Pre-Thermal Anatomy of a Driven Bosonic Fluid
Shantam Ravan, Aaron Müller, Johannes Cremer +5
Understanding how coherently driven quantum many-body systems redistribute energy prior to thermal equilibrium remains a central challenge in many-body physics. Here, we utilize ni…
Privacy Policies and Consent Management Platforms: Growth and Users' Interactions over Time
Nikhil Jha, Martino Trevisan, Marco Mellia +2
In response to growing concerns about user privacy, legislators have introduced new regulations and laws such as the General Data Protection Regulation (GDPR) and the California Co…
Fair and Decentralized Exchange of Digital Goods
Ariel Futoransky, Carlos Sarraute, Daniel Fernandez +2
We construct a privacy-preserving, distributed and decentralized marketplace where parties can exchange data for tokens. In this market, buyers and sellers make transactions in a b…
A New Mechanism of Quark Energy Loss
Jorge Casalderrey-Solana, Daniel Fernandez, David Mateos
We show that a heavy quark moving sufficiently fast through a quark-gluon plasma may lose energy by Cherenkov-radiating mesons. We demonstrate that this takes place in all strongly…
Drag force in a strongly coupled anisotropic plasma
Mariano Chernicoff, Daniel Fernandez, David Mateos +1
We calculate the drag force experienced by an infinitely massive quark propagating at constant velocity through an anisotropic, strongly coupled N=4 plasma by means of its gravity…
Time dependence of entanglement for steady state formation in AdS/CFT
Mario Flory, Johanna Erdmenger, Daniel Fernandez +3
We consider a holographic model of two 1+1-dimensional heat baths at different temperatures joined at time , such that a steady state heat-current region forms and expands in…
Jacob's Ladder: Prime numbers in 2d
Alberto Fraile, Roberto Martinez, Daniel Fernandez
Prime numbers are one of the most intriguing figures in mathematics. Despite centuries of research, many questions remain still unsolved. In recent years, computer simulations are…
Secure Exchange of Digital Goods in a Decentralized Data Marketplace
Ariel Futoransky, Carlos Sarraute, Ariel Waissbein +3
We are tackling the problem of trading real-world private information using only cryptographic protocols and a public blockchain to guarantee honest transactions. In this project,…
A nanoscale magnetic spectrum analyzer based on qubit dressed states
Jan Rueschkamp, Shantam Ravan, Daniel Fernandez +6
Magnetic field fluctuations on nanometer length scales manifest in a diverse range of phenomena -- electron and spin dynamics in materials and devices, quantum many-body systems, a…
Time evolution of entanglement for holographic steady state formation
Johanna Erdmenger, Daniel Fernandez, Mario Flory +3
Within gauge/gravity duality, we consider the local quench-like time evolution obtained by joining two 1+1-dimensional heat baths at different temperatures at time t=0. A steady st…
A Magnon Scattering Platform
Tony X. Zhou, Joris J. Carmiggelt, Lisa M. Gächter +9
Scattering experiments have revolutionized our understanding of nature. Examples include the discovery of the nucleus, crystallography, and the discovery of the double helix struct…
BatPay: a gas efficient protocol for the recurrent micropayment of ERC20 tokens
Hartwig Mayer, Ismael Bejarano, Daniel Fernandez +5
BatPay is a proxy scaling solution for the transfer of ERC20 tokens. It is suitable for micropayments in one-to-many and few-to-many scenarios, including digital markets and the di…
Conductivities from attractors
Johanna Erdmenger, Daniel Fernandez, Prieslei Goulart +1
In the context of applications of the AdS/CFT correspondence to condensed matter physics, we compute conductivities for field theory duals of dyonic planar black holes in 3+1-dimen…
Jet quenching in a strongly coupled anisotropic plasma
Mariano Chernicoff, Daniel Fernandez, David Mateos +1
The jet quenching parameter of an anisotropic plasma depends on the relative orientation between the anisotropic direction, the direction of motion of the parton, and the direction…
WibsonTree: Efficiently Preserving Seller's Privacy in a Decentralized Data Marketplace
Ariel Futoransky, Carlos Sarraute, Ariel Waissbein +2
We present a cryptographic primitive called WibsonTree designed to preserve users' privacy by allowing them to demonstrate predicates on their personal attributes, without revealin…
New Transport Properties of Anisotropic Holographic Superfluids
Johanna Erdmenger, Daniel Fernandez, Hansjörg Zeller
We complete the analysis of transport phenomena in p-wave superfluids within gauge/gravity duality, using the SU(2) Einstein-Yang-Mills model with backreaction. In particular, we a…
Wibson Protocol for Secure Data Exchange and Batch Payments
Daniel Fernandez, Ariel Futoransky, Gustavo Ajzenman +2
Wibson is a blockchain-based, decentralized data marketplace that provides individuals a way to securely and anonymously sell information in a trusted environment. The combination…
What is Beautiful is Still Good: The Attractiveness Halo Effect in the era of Beauty Filters
Aditya Gulati, Marina Martinez-Garcia, Daniel Fernandez +3
The impact of cognitive biases on decision-making in the digital world remains under-explored despite its well-documented effects in physical contexts. This study addresses this ga…
Non-equilibrium steady states in quantum critical systems with Lifshitz scaling
Daniel Fernandez, Aruna Rajagopal, Larus Thorlacius
We study out-of-equilibrium energy transport in a quantum critical fluid with Lifshitz scaling symmetry following a local quench between two semi-infinite fluid reservoirs. The lat…