Search Results - "Roman, R"

1I/2017 'Oumuamua-like Interstellar Asteroids as Possible Messengers from Dead Stars by Rafikov, Roman R.

“…Discovery of the first interstellar asteroid (ISA)-1I/2017 'Oumuamua-raised natural questions regarding its origin, some related to its lack of cometary…”
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Protoplanetary Disks as (Possibly) Viscous Disks by Rafikov, Roman R.

“…Protoplanetary disks are believed to evolve on megayear timescales in a diffusive (viscous) manner as a result of angular momentum transport driven by internal…”
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PROTOPLANETARY DISK HEATING AND EVOLUTION DRIVEN BY SPIRAL DENSITY WAVES by Rafikov, Roman R.

“…ABSTRACT Scattered light imaging of protoplanetary disks often reveals prominent spiral arms, likely excited by massive planets or stellar companions. Assuming…”
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Planet-Disk Interaction in Disks with Cooling: Basic Theory by Miranda, Ryan, Rafikov, Roman R.

“…Gravitational coupling between young planets and their parent disks is often explored using numerical simulations, which typically treat the disk…”
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Runaway accretion of metals from compact discs of debris on to white dwarfs by Rafikov, Roman R.

“…Abstract It was recently proposed that metal-rich white dwarfs (WDs) accrete their metals from compact discs of debris found to exist around more than a dozen…”
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Envelopes of embedded super-Earths – II. Three-dimensional isothermal simulations by Béthune, William, Rafikov, Roman R

“…ABSTRACT Massive planetary cores embedded in protoplanetary discs are believed to accrete extended atmospheres, providing a pathway to forming gas giants and…”
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THE STRUCTURE OF SPIRAL SHOCKS EXCITED BY PLANETARY-MASS COMPANIONS by Zhu, Zhaohuan, Dong, Ruobing, Stone, James M., Rafikov, Roman R.

“…ABSTRACT Direct imaging observations have revealed spiral structures in protoplanetary disks. Previous studies have suggested that planet-induced spiral arms…”
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Radial profiles of surface density in debris discs by Rafikov, Roman R

“…ABSTRACT Resolved observations of debris discs can be used to derive radial profiles of azimuthally averaged surface density (ASD), which carries important…”
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ON THE ECCENTRICITY EXCITATION IN POST-MAIN-SEQUENCE BINARIES by Rafikov, Roman R.

“…ABSTRACT Several classes of stellar binaries with post-main-sequence (post-MS) components-millisecond pulsars with the white dwarf companions (MSP+WD) and…”
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ACCRETION AND ORBITAL INSPIRAL IN GAS-ASSISTED SUPERMASSIVE BLACK HOLE BINARY MERGERS by Rafikov, Roman R.

“…ABSTRACT Many galaxies are expected to harbor binary supermassive black holes (SMBHs) in their centers. Their interaction with the surrounding gas results in…”
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Gaps and Rings in Protoplanetary Disks with Realistic Thermodynamics: The Critical Role of In-plane Radiation Transport by Miranda, Ryan, Rafikov, Roman R.

“…Many protoplanetary disks exhibit annular gaps in dust emission, which may be produced by planets. Simulations of planet-disk interaction aimed at interpreting…”
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Secular dynamics of binaries in stellar clusters – II. Dynamical evolution by Hamilton, Chris, Rafikov, Roman R

“…Abstract Dense stellar clusters are natural sites for the origin and evolution of exotic objects such as relativistic binaries (potential gravitational wave…”
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Relativistic Phase Space Diffusion of Compact Object Binaries in Stellar Clusters and Hierarchical Triples by Hamilton, Chris, Rafikov, Roman R.

“…Abstract The LIGO/Virgo detections of compact object mergers have posed a challenge for theories of binary evolution and coalescence. One promising avenue for…”
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Fast and Slow Precession of Gaseous Debris Disks around Planet-accreting White Dwarfs by Miranda, Ryan, Rafikov, Roman R.

“…Spectroscopic observations of some metal-rich white dwarfs (WDs), believed to be polluted by planetary material, reveal the presence of compact gaseous…”
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Secular dynamics of binaries in stellar clusters – I. General formulation and dependence on cluster potential by Hamilton, Chris, Rafikov, Roman R

“…Abstract Orbital evolution of binary systems in dense stellar clusters is important in a variety of contexts: origin of blue stragglers, progenitors of compact…”
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Multiple Spiral Arms in Protoplanetary Disks: Linear Theory by Miranda, Ryan, Rafikov, Roman R.

“…Recent observations of protoplanetary disks, as well as simulations of planet-disk interaction, have suggested that a single planet may excite multiple spiral…”
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GENERALIZED SIMILARITY FOR ACCRETION/DECRETION DISKS by Rafikov, Roman R.

“…ABSTRACT Decretion (or external) disks are gas disks freely expanding to large radii due to their internal stresses. They are expected to naturally arise in…”
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Orbital evolution of LIGO/Virgo binaries in stellar clusters driven by cluster tides, stellar encounters, and general relativity by Rasskazov, Alexander, Rafikov, Roman R

“…ABSTRACT Origin of LIGO/Virgo gravitational wave events may involve production of binaries with relativistic components in dense stellar systems – globular or…”
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Cohesin is positioned in mammalian genomes by transcription, CTCF and Wapl by Busslinger, Georg A., Stocsits, Roman R., van der Lelij, Petra, Axelsson, Elin, Tedeschi, Antonio, Galjart, Niels, Peters, Jan-Michael

“…The distribution of cohesin in the mouse genome depends on CTCF, transcription and the cohesin release factor Wapl. Cohesin distribution in mammalian genome…”
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Topologically associating domains and chromatin loops depend on cohesin and are regulated by CTCF, WAPL, and PDS5 proteins by Wutz, Gordana, Várnai, Csilla, Nagasaka, Kota, Cisneros, David A, Stocsits, Roman R, Tang, Wen, Schoenfelder, Stefan, Jessberger, Gregor, Muhar, Matthias, Hossain, M Julius, Walther, Nike, Koch, Birgit, Kueblbeck, Moritz, Ellenberg, Jan, Zuber, Johannes, Fraser, Peter, Peters, Jan‐Michael

“…Mammalian genomes are spatially organized into compartments, topologically associating domains (TADs), and loops to facilitate gene regulation and other…”
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