the socal graviti has recent attract lot interest sinc could principl abl explain acceler expans univers without ad unknown form dark energi dark matter more simpli extend gener relat generic function ricci scalar howev apart sever phenomenolog model final theori capabl fit all observ address all issu relat presenc dark energi dark matter altern approach could reconstruct form start from data without impos particular class model besid adopt same philosophi take account possibl galaxi cluster mass estim xray wavelength could explain without dark matter reconstruct weakfield limit analyt model the correct gravit potenti obtain approxim use estim total mass sampl 12 wellshap cluster galaxi

Salvatore Capozziello

Vincenzo Salzano

Cosmography and Large Scale Structure by <svg style="vertical-align:-3.366pt;width:44.087502px;" id="M1" height="19.475" version="1.1" viewBox="0 0 44.087502 19.475" width="44.087502"  xmlns="http://www.w3.org/2000/svg">
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</svg>-Gravity: New Results

the cosmolog constant problem princip concern tri understand how zeropoint energi quantum field contribut graviti here take approach address fundament unresolv issu quantum theori can gain better understand problem our start point observ notion classic time extern quantum mechan henc must exist equival reformul quantum mechan which doe refer extern classic time such reformul limit case more general quantum theori which becom nonlinear planck mass energi scale the nonlinear give rise quantumclass dualiti which map strong quantum weak gravit dynam weak quantum strong gravit dynam this dualiti predict exist tini nonzero cosmolog constant order squar hubbl constant which could possibl sourc observ cosmic acceler such nonlinear could also respons collaps wave function dure quantum measur

T. P. Singh

Quantum Theory, Noncommutative Gravity, and the Cosmological Constant Problem

the onli viabl altern dark matter one which newtonian dynam graviti break down limit low acceler modifi newtonian dynam monds this hypothesi suggest milgrom has been success explain systemat properti spiral ellipt galaxi predict detail observ rotat curv spiral galaxi onli one addit paramet critic acceler which order cosmolog interest valu mond may view algorithm calcul distribut forc astronom object from observ distribut baryon matter the fact work veri well scale galaxi problemat cold dark matter cdm here present evid favor assert claim effect falsif cdm scale galaxi

R. H. Sanders

Modified Newtonian Dynamics: A Falsification of Cold Dark Matter

discuss recent laboratori experi rotat superconductor show three far unexplain experiment observ effect anomal acceler signal anomal gyroscop signal cooper pair mass excess can physic explain term possibl interact dark energi cooper pair our approach base ginzburglandaulik model electromagnet dark energi where gravit activ photon obtain mass superconductor show model can account simultan anomal acceler anomal gravitomagnet field around rotat superconductor measur tajmar anomal cooper pair mass superconduct niobium measur cabrera tate argu three differ physic effect ultim differ experiment manifest simultan spontan break gaug invari principl general covari superconduct materi

Clovis Jacinto de Matos

Christian Beck

Possible Measurable Effects of Dark Energy in Rotating Superconductors

present new analysi birth rate axps sgrs associ snrs using kolmogorovsmirnov statist togeth parametr fit base robust estim find birth rate 11000 year axps sgrs associ snrs these high rate suggest all massiv star greater than 2332 give rise remnant magnetarlik field observat indic limit fraction high magnet field progenitor thus our studi suggest magnet field amplif dynamo mechan dure birth neutron star requir spin rate much faster than either observ theori indic propos massiv star produc neutron star normal magnet field which amplifi after delay hundr year the amplif specul consequ color ferromagnet occur delay after neutron star core reach quark deconfin densiti quarknova scenario the delay amplif allow one interpret simultan high birth rate high magnet field axps sgrs link massiv star

Denis Leahy

Rachid Ouyed

SGRs and AXPs: Evidence for Delayed Amplification of Magnetic Field after Neutron Star Formation?

quarknova occur insid collapsar interact between quarknova ejecta relativist ironrich chunk collapsar envelop lead featur indic those observ gamma ray burst the quarknova ejecta collid stellar envelop creat outward move cap 110 abov polar funnel prompt gammaray burst emiss from intern shock relativist jet follow accret onto quark star becom visibl after cap becom optic thin model featur includ precursor activ optic xray ray prompt ray emiss iii afterglow emiss discuss snless long durat grbs short hard grbs includ associ nonassoci star form region dark grbs energet xray flare detect swift grbs nearsimultan optic ray prompt emiss observ grbs context our model

Jan Staff

Brian Niebergal

Quark-Nova Explosion inside a Collapsar: Application to Gamma Ray Bursts

continu our studi cmb temperatur polar crosscorrel sourc inform about primordi gravit wave pgws previous paper consid two method detect pgws use crosscorrel the first method zero multipol method where find multipol where crosscorrel power spectrum first chang sign the second method wiener filter cmb data remov densiti perturb contribut power spectrum use statist test determin detect negat residu correl henc detect primordi gravit wave onli sourc negat correl superhorizon scale paper appli test wmap 5year data find power spectrum consist 20 95 confid addit assumpt about pgws assum pgws generat inflat get 10 95 confid

N. J. Miller

B. G. Keating

A. G. Polnarev

CMB Temperature Polarization Correlation and Primordial Gravitational Waves: WMAP5

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<p><em>Advances in Astronomy</em> publishes in all areas of astronomy, astrophysics, and cosmology, and accepts observational and theoretical investigations into celestial objects and the wider universe.</p>


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<p>Chief Editor, Professor Trigo-Rodríguez (ICE, IEEC-CSIC), has a background in the formation of primitive solar system minor bodies, the study of their fragments in space and the analysis of their surviving rocks that arrived on the Earth.</p>


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