Coherent emission mechanisms in radio pulsars (2008)
In this work we investigate some possible mechanisms for pulsar radio emission. First we analyze the normal modes of a strongly magnetized electron-positron plasma taking into account a possible...
Relativistic Spin Precession in the Double Pulsar (2008)
Breton, Rene P., Kaspi, Victoria M., Kramer, Michael, McLaughlin, Maura A., Lyutikov, Maxim, Ransom, Scott M., ...
The double pulsar PSR J0737-3039A/B consists of two neutron stars in a highly relativistic orbit that displays a roughly 30-second eclipse when pulsar A passes behind pulsar B. Describing this...
Resonant cyclotron scattering in magnetars' emission (2008)
Rea, Nanda, Zane, Silvia, Turolla, Roberto, Lyutikov, Maxim, Gotz, Diego
(Abridged) We present a systematic fit of a model of resonant cyclotron scattering (RCS) to the X-ray data of ten magnetars, including canonical and transient anomalous X-ray pulsars (AXPs), and soft...
Hartmann flow with Braginsky viscosity: a test problem for intercluster plasma (2008)
We consider a Hartmann layer, stationary flow of a viscose and resistive fluid between two plates with superimposed transverse magnetic field, in the limit of gyrotropic plasma, when viscosity across...
Inductive acceleration of UHECRs in sheared relativistic jets (2007)
Lyutikov, Maxim, Ouyed, Rachid
Relativistic outflows carrying large scale magnetic fields have large inductive potential and may accelerate protons to ultra high energies. We discuss a novel scheme of Ultra-High Energy Cosmic Ray...
Dissipation in intercluster plasma (2007)
We discuss dissipative processes in strongly gyrotropic, nearly collisionless plasma in clusters of galaxies (ICM). First, we point out that Braginsky theory, which assumes that collisions are more...
Neutron star magnetospheres: the binary pulsar, Crab and magnetars (2007)
A number of disparate observational and theoretical pieces of evidence indicate that, contrary to the conventional wisdom, neutron stars' closed field lines are populated by dense, hot plasma and may...
Ultra High Energy Cosmic ray and gamma-ray signatures of inductive acceleration in AGN jets (2007)
Ouyed, Rachid, Sigl, Guenter, Lyutikov, Maxim
The highest energy cosmic rays could be produced by drifts in magnetized, cylindrically collimated, sheared jets of powerful active galaxies (i.e. FR II radiogalaxies; radio loud quasars and high...
Dissipation of magnetic fields in neutron star crusts due to development of a tearing mode (2007)
Dissipation of magnetic fields in Hall plasma of neutron star crusts may power persistent high energy emission of a class of strongly magnetized neutrons stars, magnetars. We consider development of...
On generation of Crab giant pulses (2007)
We propose that Crab giant pulses are generated on closed magnetic field lines near the light cylinder via anomalous cyclotron resonance on the ordinary mode. Waves are generated in a set of fine,...
Inferring the Magnetic Fields of Magnetars from their X-ray Spectra (2006)
Guver, Tolga, Ozel, Feryal, Lyutikov, Maxim
We present the first self-consistent theoretical models of magnetar spectra that take into account the combined effects of the stellar atmosphere and its magnetosphere. We find that the proton...
Magnetic draping of merging cores and radio bubbles in clusters of galaxies (2006)
Sharp fronts observed by Chandra satellite between dense cool cluster cores moving with near-sonic velocity through the hotter intergalactic gas, require strong suppression of thermal conductivity...
Did Swift measure GRB prompt emission radii? (2006)
The Swift X-Ray Telescope often observes a rapidly decaying X-ray emission stretching to as long as $ t \sim 10^3$ seconds after a conventional prompt phase. This component is most likely due to a...
The electromagnetic model of Gamma Ray Bursts (2005)
I describe electromagnetic model of gamma ray bursts and contrast its main properties and predictions with hydrodynamic fireball model and its magnetohydrodynamical extension. The electromagnetic...
Magnetar giant flares and afterglows as relativistic magnetized explosions (2005)
(Abridged) We propose that giant flares on Soft Gamma-Ray Repeaters produce relativistic, strongly magnetized, weakly baryon loaded magnetic clouds, somewhat analogous to solar coronal mass ejection...
Eclipses and orbital modulations in binary pulsar PSR J0737-3039 (2005)
Binary radio pulsar system J0737-3039 provides an exceptional opportunity to study innermost structure of pulsar magnetospheres due to very tight orbit, favorable directions of pulsars' rotation and...
Inductive acceleration of UHECRs in sheared relativistic jets (2005)
Lyutikov, Maxim, Ouyed, Rachid
(Abridged)Relativistic outflows carrying large scale magnetic fields have large inductive potential and may accelerate protons to ultra high energies. We discuss a novel scheme of Ultra-High Energy...
Resonant Cyclotron Scattering and Comptonization in Neutron Star Magnetospheres (2005)
Lyutikov, Maxim, Gavriil, Fotis P.
Resonant cyclotron scattering of the surface radiation in the magnetospheres of neutron stars may considerably modify the emergent spectra and impede efforts to constraint neutron star properties....
Zhang and Kobayashi (2004) attempted to calculate early afterglow emission from a system of forward and reverse shocks in GRB outflows for the case of magnetized ejecta. We point out a fundamental...
Orbital modulation of emission of the binary pulsar J0737-3039B (2005)
In binary radio pulsar system J0737-3039, slow pulsar B shows orbital modulations of intensity, being especially bright at two short orbital phases. We propose that these modulations are due to...
Polarization and energy content of parsec scale AGN jets (2004)
Lyutikov, Maxim, Pariev, Vladimir I., Gabuzda, Denise C.
Most of energy carried by relativistic AGN jets remains undetected until hundreds of kiloparsecs where interaction with intergalactic medium produces hot spots. The jet's hidden energy is only...
Magnetic fields in GRBs (2004)
We discuss the dynamical role of magnetic fields in GRB explosions in the framework of the fireball and electromagnetic models. We contrast the observational predictions of the two models and argue...
Roberts, Mallory S. E., Lyutikov, Maxim, Gaensler, Bryan M., Brogan, Crystal, Tam, Cindy R., Romani, Roger W.
The traditional view of radio pulsar wind nebulae (PWN), encouraged by the Crab nebula's X-ray and radio morphologies, is that they are a result of the integrated history of their pulsars' wind. The...
Polarization and structure of relativistic parsec-scale AGN jets (2004)
Lyutikov, Maxim, Pariev, Vladimir I., Gabuzda, Denise C.
(Abridged) We consider the polarization properties of optically thin synchrotron radiation emitted by relativistically moving electron--positron jets carrying large-scale helical magnetic fields. In...
On the nature of eclipses in binary pulsar J0737-3039 (2004)
We consider magnetohydrodynamical interaction between relativistic pulsar wind and static magnetosphere in binary pulsar system PSR J0737-3039. We construct semi-analytical model describing the form...
The origin of non-thermal X-ray filaments and TeV emission in young SNRs (2004)
At the early, ejecta dominated, stage of supernova remnant (SNR) expansion a fraction of the swept-up circumstellar magnetic field is dynamically compressed to approximate equipartition at the...
Gamma Ray Bursts as Electromagnetic Outflows (2003)
Lyutikov, Maxim, Blandford, Roger
(Abridged) We interpret gamma ray bursts as relativistic, electromagnetic explosions. Specifically, we propose that they are created when a rotating, relativistic, stellar-mass progenitor loses much...
Electromagnetic (versus fireball) model of GRBs (2003)
We briefly review the electromagnetic model of Gamma Ray Bursts and then discuss how various models account for high prompt polarization. We argue that if polarization is confirmed at a level $\Pi...
Polarization of prompt GRB emission: evidence for electromagnetically-dominated outflow (2003)
Lyutikov, Maxim, Pariev, V. I., Blandford, Roger
Observations by the {\RHESSI} satellite of large polarization of the prompt $\gamma$-ray emission from the Gamma Ray Burst GRB021206 \citep{coburn03} imply that the magnetic field coherence scale is...
Explosive reconnection in magnetars (2003)
X-ray activity of Anomalous X-ray Pulsars and Soft Gamma-Ray Repeaters may result from the heating of their magnetic corona by direct currents dissipated by magnetic reconnection. We investigate the...
Role of Reconnection in AGN Jets (2002)
We discuss the possible role of reconnection in electro-magnetically dominated cores of relativistic AGN jets. We suggest that reconnection may proceed in a two-fold fashion: initial explosive...
Electromagnetic Outflows and GRBs (2002)
Lyutikov, Maxim, Blandford, Roger
We study the dynamics of relativistic electromagnetic explosions as a possible mechanism for the production of Gamma-Ray Bursts. We propose that a rotating relativistic stellar-mass progenitor loses...
Rates of reconnection in pulsar winds (2002)
Using the formulation of relativistic reconnection by Lyutikov & Uzdensky (2002) we estimate the upper possible rates of reconnection in pulsar winds using Bohm prescription for resistivity. We find...
Dynamics of relativistic reconnection (2002)
Lyutikov, Maxim, Uzdensky, Dmitri
The dynamics of the steady-state Sweet--Parker-type reconnection is analyzed in relativistic regime when energy density in the inflowing region is dominated by magnetic field. The structure of...
The Pulsar Wind Nebula in G11.2-0.3 (2002)
Roberts, Mallory S. E., Tam, Cindy R., Kaspi, Victoria M., Lyutikov, Maxim, Vasisht, Gautam, Pivovaroff, Michael, ...
We present an X-ray and radio study of the wind nebula surrounding the central pulsar PSR J1811-1925 in the supernova remnant G11.2-0.3. Using high resolution data obtained with the Chandra X-ray...
Radio Emission from Magnetars (2002)
We discuss properties of the expected radio emission from Soft Gamma-ray Repeaters (SGRs) during their bursting activity in the framework of the model of Thompson, Lyutikov and Kulkarni (2002), in...
Mass loading of pulsar winds (2002)
The dynamics of relativistic magnetized mass loaded outflows carrying toroidal magnetic field is analyzed in the context of Pulsar Wind Nebulae (PWNs). Mass loading is very efficient in slowing down...
Dynamics of Relativistic Magnetized Blast Waves (2001)
The dynamics of a relativistic blast wave propagating through magnetized medium is considered taking into account possible inhomogeneities of density and magnetic field and additional energy supply....
Looking into Pulsar Magnetospheres (2000)
Diffractive and refractive magnetospheric scintillations may allow a direct testing of the plasma inside the light cylinder. Unusual electrodynamics of the strongly magnetized electron-positron...
Precursors of gamma-ray bursts: a clue to the burster's nature (2000)
Lyutikov, Maxim, Usov, Vladimir
In relativistic strongly magnetized winds outflowing from the fast-rotating compact progenitors of gamma-ray bursts (GRBs) there are three regions where powerful high-frequency emission may be...
Inertial Instability of Accretion Disks with Relativistic Electrons (2000)
We show that accretion disks with relativisticly hot electrons which are coupled to cold ions is subject to inertial-type instability in which kinematic drag between electrons and ions produces...
GRBs from unstable Poynting dominated outflows (2000)
Lyutikov, Maxim, Blackman, Eric G.
Poynting flux driven outflows from magnetized rotators are a plausible explanation for gamma-ray burst engines. We suggest a new possibility for how such outflows might transfer energy into radiating...
Radio and X-ray Signatures of Merging Neutron Stars (2000)
Hansen, Brad M. S., Lyutikov, Maxim
We describe the possible electromagnetic signals expected from the magnetospheric interactions of a neutron star binary prior to merger. We find that both radio and X-ray signals of detectable...
Turbulent 4-wave Interaction of Two Type of Waves (1999)
We consider turbulent 4-wave interaction of two types of waves: acoustic waves (dispersion $\omega = k$) and electromagnetic-type waves (dispersion $\Omega^2 = m^2 + p^2$). For large wave vectors ($...
Coherent Mechanisms of Pulsar Radio Emission (1999)
Lyutikov, Maxim, Blandford, Roger, Machabeli, George
Relativistic plasma masers operating on the anomalous cyclotron-Cherenkov resonance and the Cherenkov-drift resonance are capable of explaining the main observational characteristics of pulsar radio...
Excitation of Alfven Waves and Pulsar Radio Emission (1999)
We analyze mechanisms of the excitation of Alfv\'{e}n wave in pulsar magnetospheres as a possible source of pulsar radio emission generation. We find that Cherenkov excitation of obliquely...
Scattering and Diffraction in Magnetospheres of Fast Pulsars (1999)
We apply a theory of wave propagation through a turbulent medium to the scattering of radio waves in pulsar magnetospheres. We find that under conditions of strong density modulation the effects of...
Depolarization of Pulsar Radio Emission (1999)
We show that intensity dependent depolarization of single pulses (e.g., Xiluoris et al. 1994) may be due to the nonlinear decay of the "upper" ordinary mode into an unpolarized extraordinary mode and...
Beam instabilities in a magnetized pair plasma (1999)
Beam instabilities in the strongly magnetized electron–positron plasma of a pulsar magnetosphere are considered. We analyse the resonance conditions and estimate the growth rates of the Cherenkov...
Beam Instabilities in Magnetized Pair Plasma (1998)
Beam instabilities in the strongly magnetized electron-positron plasma of pulsar magnetospheres are considered. We analyze the resonance conditions and estimate the growth rates of the Cherenkov and...
On the Nature of Pulsar Radio Emission (1998)
Lyutikov, Maxim, Blandford, Roger D., Machabeli, George
A theory of pulsar radio emission generation, in which the observed waves are produced directly by maser-type plasma instabilities operating at the anomalous cyclotron-Cherenkov resonance $\omega-...
Induced Raman Scattering in Pulsar Magnetospheres (1998)
It is shown that induced Raman scattering of electromagnetic waves in the strongly magnetized electron-positron plasma of pulsar magnetosphere may be important for wave propagation and as an...
Cherenkov-drift emission mechanism (1998)
Lyutikov, Maxim, Machabeli, George, Blandford, Roger
Emission of a charged particle propagating in a medium with a curved magnetic field is reconsidered stressing the analogy between this emission mechanism and collective Cherenkov-type plasma...
Cherenkov-Curvature Radiation and Pulsar Radio Emission Generation (1998)
Lyutikov, Maxim, Machabeli, George, Blandford, Roger
Electromagnetic processes associated with a charged particle moving in a strong circular magnetic field is considered in cylindrical coordinates. We investigate the relation between the vacuum...
Transverse quasilinear relaxation in inhomogeneous magnetic field (1998)
Transverse quasilinear relaxation of the cyclotron-Cherenkov instability in the inhomogeneous magnetic field of pulsar magnetospheres is considered. We find quasilinear states in which the kinetic...