Full Text Journal Articles by
Author Angel Rubio

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Giant Exciton Mott Density in Anatase TiO_{2}.

Edoardo Baldini, Tania Palmieri, Adriel Dominguez, Angel Rubio, Majed Chergui,

Elucidating the carrier density at which strongly bound excitons dissociate into a plasma of uncorrelated electron-hole pairs is a central topic in the many-body physics of semiconductors. However, there is a lack of information on the high-density response of excitons absorbing in the near-to-mid ultraviolet, due to the absence of ... Read more >>

Phys Rev Lett (Physical review letters)
[2020, 125(11):116403]

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Direct Measurement of Electron-Phonon Coupling with Time-Resolved ARPES.

Umberto De Giovannini, Hannes Hübener, Shunsuke A Sato, Angel Rubio,

Time- and angular- resolved photoelectron spectroscopy is a powerful technique to measure electron dynamics in solids. Recent advances in this technique have facilitated band and energy resolved observations of the effect that excited phonons, have on the electronic structure. Here, we show with the help of ab initio simulations that the ... Read more >>

Phys Rev Lett (Physical review letters)
[2020, 125(13):136401]

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Effect of many modes on self-polarization and photochemical suppression in cavities.

Norah M Hoffmann, Lionel Lacombe, Angel Rubio, Neepa T Maitra,

The standard description of cavity-modified molecular reactions typically involves a single (resonant) mode, while in reality, the quantum cavity supports a range of photon modes. Here, we demonstrate that as more photon modes are accounted for, physicochemical phenomena can dramatically change, as illustrated by the cavity-induced suppression of the important ... Read more >>

J Chem Phys (The Journal of chemical physics)
[2020, 153(10):104103]

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Author Correction: Polycyclic aromatic chains on metals and insulating layers by repetitive [3+2] cycloadditions.

Alexander Riss, Marcus Richter, Alejandro Pérez Paz, Xiao-Ye Wang, Rajesh Raju, Yuanqin He, Jacob Ducke, Eduardo Corral, Michael Wuttke, Knud Seufert, Manuela Garnica, Angel Rubio, Johannes V Barth, Akimitsu Narita, Klaus Müllen, Reinhard Berger, Xinliang Feng, Carlos-Andres Palma, Willi Auwärter,

An amendment to this paper has been published and can be accessed via a link at the top of the paper. ... Read more >>

Nat Commun (Nature communications)
[2020, 11(1):3937]

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Femtosecond exciton dynamics in WSe2 optical waveguides.

Aaron J Sternbach, Simone Latini, Sanghoon Chae, Hannes Hübener, Umberto De Giovannini, Yinming Shao, Lin Xiong, Zhiyuan Sun, Norman Shi, Peter Kissin, Guang-Xin Ni, Daniel Rhodes, Brian Kim, Nanfang Yu, Andrew J Millis, Michael M Fogler, Peter J Schuck, Michal Lipson, X-Y Zhu, James Hone, Richard D Averitt, Angel Rubio, D N Basov,

Van-der Waals (vdW) atomically layered crystals can act as optical waveguides over a broad range of the electromagnetic spectrum ranging from Terahertz to visible. Unlike common Si-based waveguides, vdW semiconductors host strong excitonic resonances that may be controlled using non-thermal stimuli including electrostatic gating and photoexcitation. Here, we utilize waveguide ... Read more >>

Nat Commun (Nature communications)
[2020, 11(1):3567]

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Correlated electronic phases in twisted bilayer transition metal dichalcogenides.

Lei Wang, En-Min Shih, Augusto Ghiotto, Lede Xian, Daniel A Rhodes, Cheng Tan, Martin Claassen, Dante M Kennes, Yusong Bai, Bumho Kim, Kenji Watanabe, Takashi Taniguchi, Xiaoyang Zhu, James Hone, Angel Rubio, Abhay N Pasupathy, Cory R Dean,

In narrow electron bands in which the Coulomb interaction energy becomes comparable to the bandwidth, interactions can drive new quantum phases. Such flat bands in twisted graphene-based systems result in correlated insulator, superconducting and topological states. Here we report evidence of low-energy flat bands in twisted bilayer WSe2, with signatures ... Read more >>

Nat Mater (Nature materials)
[2020, 19(8):861-866]

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DrugSniper, a Tool to Exploit Loss-Of-Function Screens, Identifies CREBBP as a Predictive Biomarker of VOLASERTIB in Small Cell Lung Carcinoma (SCLC).

Fernando Carazo, Cristina Bértolo, Carlos Castilla, Xabier Cendoya, Lucía Campuzano, Diego Serrano, Marian Gimeno, Francisco J Planes, Ruben Pio, Luis M Montuenga, Angel Rubio,

The development of predictive biomarkers of response to targeted therapies is an unmet clinical need for many antitumoral agents. Recent genome-wide loss-of-function screens, such as RNA interference (RNAi) and CRISPR-Cas9 libraries, are an unprecedented resource to identify novel drug targets, reposition drugs and associate predictive biomarkers in the context of ... Read more >>

Cancers (Basel) (Cancers)
[2020, 12(7):]

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Room Temperature Terahertz Electroabsorption Modulation by Excitons in Monolayer Transition Metal Dichalcogenides.

Jiaojian Shi, Edoardo Baldini, Simone Latini, Shunsuke A Sato, Yaqing Zhang, Brandt C Pein, Pin-Chun Shen, Jing Kong, Angel Rubio, Nuh Gedik, Keith A Nelson,

The interaction between off-resonant laser pulses and excitons in monolayer transition metal dichalcogenides is attracting increasing interest as a route for the valley-selective coherent control of the exciton properties. Here, we extend the classification of the known off-resonant phenomena by unveiling the impact of a strong THz field on the ... Read more >>

Nano Lett (Nano letters)
[2020, 20(7):5214-5220]

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Contrasting Efficiency of Electron-Induced Reaction at Cu(110) in Aliphatic and Aromatic Bromides.

Matthew J Timm, Lydie Leung, Kelvin Anggara, Tingbin Lim, Zhixin Hu, Simone Latini, Angel Rubio, John C Polanyi,

We report a comparative study of the electron-induced reaction of pentyl bromide (PeBr) and phenyl bromide (PhBr) on Cu(110) at 4.6 K, observed by scanning tunneling microscopy (STM). The induced dissociation of the intact adsorbed molecule for both reagents occurred at an energy of 2.0 eV, producing a hydrocarbon radical ... Read more >>

J. Am. Chem. Soc. (Journal of the American Chemical Society)
[2020, 142(20):9453-9459]

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Nature of Symmetry Breaking at the Excitonic Insulator Transition: Ta_{2}NiSe_{5}.

Giacomo Mazza, Malte Rösner, Lukas Windgätter, Simone Latini, Hannes Hübener, Andrew J Millis, Angel Rubio, Antoine Georges,

Ta_{2}NiSe_{5} is one of the most promising materials for hosting an excitonic insulator ground state. While a number of experimental observations have been interpreted in this way, the precise nature of the symmetry breaking occurring in Ta_{2}NiSe_{5}, the electronic order parameter, and a realistic microscopic description of the transition mechanism ... Read more >>

Phys Rev Lett (Physical review letters)
[2020, 124(19):197601]

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Octopus, a computational framework for exploring light-driven phenomena and quantum dynamics in extended and finite systems.

Nicolas Tancogne-Dejean, Micael J T Oliveira, Xavier Andrade, Heiko Appel, Carlos H Borca, Guillaume Le Breton, Florian Buchholz, Alberto Castro, Stefano Corni, Alfredo A Correa, Umberto De Giovannini, Alain Delgado, Florian G Eich, Johannes Flick, Gabriel Gil, Adrián Gomez, Nicole Helbig, Hannes Hübener, René Jestädt, Joaquim Jornet-Somoza, Ask H Larsen, Irina V Lebedeva, Martin Lüders, Miguel A L Marques, Sebastian T Ohlmann, Silvio Pipolo, Markus Rampp, Carlo A Rozzi, David A Strubbe, Shunsuke A Sato, Christian Schäfer, Iris Theophilou, Alicia Welden, Angel Rubio,

Over the last few years, extraordinary advances in experimental and theoretical tools have allowed us to monitor and control matter at short time and atomic scales with a high degree of precision. An appealing and challenging route toward engineering materials with tailored properties is to find ways to design or ... Read more >>

J Chem Phys (The Journal of chemical physics)
[2020, 152(12):124119]

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Local Berry curvature signatures in dichroic angle-resolved photoelectron spectroscopy from two-dimensional materials.

Michael Schüler, Umberto De Giovannini, Hannes Hübener, Angel Rubio, Michael A Sentef, Philipp Werner,

Topologically nontrivial two-dimensional materials hold great promise for next-generation optoelectronic applications. However, measuring the Hall or spin-Hall response is often a challenge and practically limited to the ground state. An experimental technique for tracing the topological character in a differential fashion would provide useful insights. In this work, we show ... Read more >>

Sci Adv (Science advances)
[2020, 6(9):eaay2730]

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ISOGO: Functional annotation of protein-coding splice variants.

Juan A Ferrer-Bonsoms, Ignacio Cassol, Pablo Fernández-Acín, Carlos Castilla, Fernando Carazo, Angel Rubio,

The advent of RNA-seq technologies has switched the paradigm of genetic analysis from a genome to a transcriptome-based perspective. Alternative splicing generates functional diversity in genes, but the precise functions of many individual isoforms are yet to be elucidated. Gene Ontology was developed to annotate gene products according to their ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):1069]

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Covalent C-N Bond Formation through a Surface Catalyzed Thermal Cyclodehydrogenation.

Ilya Piskun, Raymond Blackwell, Joaquim Jornet-Somoza, Fangzhou Zhao, Angel Rubio, Steven G Louie, Felix R Fischer,

The integration of substitutional dopants at predetermined positions along the hexagonal lattice of graphene-derived polycyclic aromatic hydrocarbons is a critical tool in the design of functional electronic materials. Here, we report the unusually mild thermally induced oxidative cyclodehydrogenation of dianthryl pyrazino[2,3-g]quinoxalines to form the four covalent C-N bonds in tetraazateranthene ... Read more >>

J. Am. Chem. Soc. (Journal of the American Chemical Society)
[2020, 142(8):3696-3700]

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Integration of CRISPR-Cas9, shRNA with other genomic data provides reliable predicions of gene essentiality.

Angel Rubio,

EBioMedicine (EBioMedicine)
[2020, 51:102577]

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Benchmarking semiclassical and perturbative methods for real-time simulations of cavity-bound emission and interference.

Norah M Hoffmann, Christian Schäfer, Niko Säkkinen, Angel Rubio, Heiko Appel, Aaron Kelly,

We benchmark a selection of semiclassical and perturbative dynamics techniques by investigating the correlated evolution of a cavity-bound atomic system to assess their applicability to study problems involving strong light-matter interactions in quantum cavities. The model system of interest features spontaneous emission, interference, and strong coupling behavior and necessitates the ... Read more >>

J Chem Phys (The Journal of chemical physics)
[2019, 151(24):244113]

Cited: 1 time

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Force balance approach for advanced approximations in density functional theories.

Mary-Leena M Tchenkoue, Markus Penz, Iris Theophilou, Michael Ruggenthaler, Angel Rubio,

We propose a systematic and constructive way to determine the exchange-correlation potentials of density-functional theories including vector potentials. The approach does not rely on energy or action functionals. Instead, it is based on equations of motion of current quantities (force balance equations) and is feasible both in the ground-state and ... Read more >>

J Chem Phys (The Journal of chemical physics)
[2019, 151(15):154107]

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Upstream analysis of alternative splicing: a review of computational approaches to predict context-dependent splicing factors.

Fernando Carazo, Juan P Romero, Angel Rubio,

Alternative splicing (AS) has shown to play a pivotal role in the development of diseases, including cancer. Specifically, all the hallmarks of cancer (angiogenesis, cell immortality, avoiding immune system response, etc.) are found to have a counterpart in aberrant splicing of key genes. Identifying the context-specific regulators of splicing provides ... Read more >>

Brief. Bioinformatics (Briefings in bioinformatics)
[2019, 20(4):1358-1375]

Cited: 7 times

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Maximized electron interactions at the magic angle in twisted bilayer graphene.

Alexander Kerelsky, Leo J McGilly, Dante M Kennes, Lede Xian, Matthew Yankowitz, Shaowen Chen, K Watanabe, T Taniguchi, James Hone, Cory Dean, Angel Rubio, Abhay N Pasupathy,

The electronic properties of heterostructures of atomically thin van der Waals crystals can be modified substantially by moiré superlattice potentials from an interlayer twist between crystals1,2. Moiré tuning of the band structure has led to the recent discovery of superconductivity3,4 and correlated insulating phases5 in twisted bilayer graphene (TBG) near the ... Read more >>

Nature (Nature)
[2019, 572(7767):95-100]

Cited: 3 times

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Quantum Electrodynamical Bloch Theory with Homogeneous Magnetic Fields.

Vasil Rokaj, Markus Penz, Michael A Sentef, Michael Ruggenthaler, Angel Rubio,

We propose a solution to the problem of Bloch electrons in a homogeneous magnetic field by including the quantum fluctuations of the photon field. A generalized quantum electrodynamical (QED)-Bloch theory from first principles is presented. In the limit of vanishing quantum fluctuations, we recover the standard results of solid-state physics: ... Read more >>

Phys. Rev. Lett. (Physical review letters)
[2019, 123(4):047202]

Cited: 2 times

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Integration of CLIP experiments of RNA-binding proteins: a novel approach to predict context-dependent splicing factors from transcriptomic data.

Fernando Carazo, Marian Gimeno, Juan A Ferrer-Bonsoms, Angel Rubio,

BACKGROUND:Splicing is a genetic process that has important implications in several diseases including cancer. Deciphering the complex rules of splicing regulation is crucial to understand and treat splicing-related diseases. Splicing factors and other RNA-binding proteins (RBPs) play a key role in the regulation of splicing. The specific binding sites of ... Read more >>

BMC Genomics (BMC genomics)
[2019, 20(1):521]

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TranscriptAchilles: a genome-wide platform to predict isoform biomarkers of gene essentiality in cancer.

Fernando Carazo, Lucía Campuzano, Xabier Cendoya, Francisco J Planes, Angel Rubio,

BACKGROUND:Aberrant alternative splicing plays a key role in cancer development. In recent years, alternative splicing has been used as a prognosis biomarker, a therapy response biomarker, and even as a therapeutic target. Next-generation RNA sequencing has an unprecedented potential to measure the transcriptome. However, due to the complexity of dealing ... Read more >>

Gigascience (GigaScience)
[2019, 8(4):]

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Comparison of RNA-seq and microarray platforms for splice event detection using a cross-platform algorithm.

Juan P Romero, María Ortiz-Estévez, Ander Muniategui, Soraya Carrancio, Fernando J de Miguel, Fernando Carazo, Luis M Montuenga, Remco Loos, Rubén Pío, Matthew W B Trotter, Angel Rubio,

BACKGROUND:RNA-seq is a reference technology for determining alternative splicing at genome-wide level. Exon arrays remain widely used for the analysis of gene expression, but show poor validation rate with regard to splicing events. Commercial arrays that include probes within exon junctions have been developed in order to overcome this problem. ... Read more >>

BMC Genomics (BMC genomics)
[2018, 19(1):703]

Cited: 5 times

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Ultrafast Modification of Hubbard U in a Strongly Correlated Material: Ab initio High-Harmonic Generation in NiO.

Nicolas Tancogne-Dejean, Michael A Sentef, Angel Rubio,

Engineering effective electronic parameters is a major focus in condensed matter physics. Their dynamical modulation opens the possibility of creating and controlling physical properties in systems driven out of equilibrium. In this Letter, we demonstrate that the Hubbard U, the widely used on-site Coulomb repulsion in strongly correlated materials, can ... Read more >>

Phys. Rev. Lett. (Physical review letters)
[2018, 121(9):097402]

Cited: 4 times

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Phonon-Driven Selective Modulation of Exciton Oscillator Strengths in Anatase TiO2 Nanoparticles.

Edoardo Baldini, Tania Palmieri, Adriel Dominguez, Pascal Ruello, Angel Rubio, Majed Chergui,

The way nuclear motion affects electronic responses has become a very hot topic in materials science. Coherent acoustic phonons can dynamically modify optical, magnetic, and mechanical properties at ultrasonic frequencies, with promising applications as sensors and transducers. Here, by means of ultrafast broadband deep-ultraviolet spectroscopy, we demonstrate that coherent acoustic ... Read more >>

Nano Lett. (Nano letters)
[2018, 18(8):5007-5014]

Cited: 2 times

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