Varun Sahni
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Indian astrophysicist
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Physics
Varun Sahni's Degrees
- Bachelors Physics Delhi University
Why Is Varun Sahni Influential?
(Suggest an Edit or Addition)According to Wikipedia, Varun Bhisham Sahni is an Indian theoretical physicist, astrophysicist and a Distinguished Professor at the Inter-University Centre for Astronomy and Astrophysics. Known for his research on cosmology, Sahni is an elected fellow of all the three major Indian science academies viz. Indian Academy of Sciences, Indian National Science Academy and National Academy of Sciences, India. The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards, for his contributions to physical sciences in 2000.
Varun Sahni's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- The Case for a positive cosmological Lambda term (1999) (1775)
- Statefinder—A new geometrical diagnostic of dark energy (2002) (965)
- RECONSTRUCTING DARK ENERGY (2006) (616)
- Exploring the expanding Universe and dark energy using the statefinder diagnostic (2003) (601)
- Braneworld models of dark energy (2002) (509)
- Is there supernova evidence for dark energy metamorphosis (2003) (414)
- Dark Matter and Dark Energy (2004) (405)
- New cosmological model of quintessence and dark matter (1999) (393)
- The case for dynamical dark energy revisited (2004) (371)
- Two new diagnostics of dark energy (2008) (356)
- The cosmological constant problem and quintessence (2002) (250)
- Is cosmic acceleration slowing down (2009) (201)
- J-PAS: The Javalambre-Physics of the Accelerated Universe Astrophysical Survey (2014) (174)
- Bouncing Braneworlds (2002) (170)
- Relic gravity waves from braneworld inflation (2001) (160)
- Approximation methods for non-linear gravitational clustering (1995) (159)
- Smoothing supernova data to reconstruct the expansion history of the universe (2005) (157)
- Shapefinders: A New Shape Diagnostic for Large-Scale Structure (1998) (140)
- New Universal Local Feature in the Inflationary Perturbation Spectrum (2007) (133)
- Exploring the properties of dark energy using type-Ia supernovae and other datasets (2006) (110)
- Does Inflationary Particle Production Suggest Ω m 1 (1998) (107)
- Confronting braneworld cosmology with supernova data and baryon oscillations (2005) (97)
- Disentangling the Cosmic Web. I. Morphology of Isodensity Contours (1999) (96)
- QUANTUM GRAVITATIONAL EFFECTS NEAR COSMIC STRINGS (1988) (94)
- Is a step in the primordial spectral index favoured by CMB data (2008) (93)
- Theoretical models of dark energy (2003) (91)
- Morphology of the supercluster–void network in ΛCDM cosmology (2003) (90)
- Anisotropy dissipation in brane-world inflation (2000) (87)
- Primordial black holes from a tiny bump/dip in the inflaton potential (2019) (80)
- Measuring the geometry and topology of large‐scale structure using SURFGEN: methodology and preliminary results (2002) (77)
- Quintessential inflation on the brane and the relic gravity wave background (2004) (75)
- Cosmological Surprises from Braneworld models of Dark Energy (2005) (75)
- Refining inflation using non-canonical scalars (2012) (75)
- The evolution of voids in the adhesion approximation (1994) (73)
- Quantum effects, soft singularities and the fate of the universe in a braneworld cosmology (2005) (68)
- Statefinder hierarchy: An extended null diagnostic for concordance cosmology (2011) (61)
- Non-Linear Approximations to Gravitational Instability: A Comparison in the Quasi-Linear Regime (1994) (59)
- New cosmological singularities in braneworld models (2002) (58)
- A new null diagnostic customized for reconstructing the properties of dark energy from BAO data (2012) (54)
- Patient-specific instrumentation for total knee arthroplasty does not match the pre-operative plan as assessed by intra-operative computer-assisted navigation (2014) (53)
- ACCURACY OF LAGRANGIAN APPROXIMATIONS IN VOIDS (1996) (52)
- NEW VISTAS IN BRANEWORLD COSMOLOGY (2002) (46)
- Can dark energy be decaying (2003) (44)
- Evidence for Filamentarity in the Las Campanas Redshift Survey (1999) (43)
- Resurrecting power law inflation in the light of Planck results (2013) (43)
- Emergent cosmology revisited (2014) (42)
- Density perturbations, gravity waves and the cosmic microwave background (1992) (42)
- Did the Universe loiter at high redshifts (2004) (41)
- Metastable Dark Energy with Radioactive-like Decay (2016) (41)
- Braneworld dynamics in Einstein-Gauss-Bonnet gravity (2007) (40)
- Recycling the universe using scalar fields (2001) (40)
- Initial conditions for inflation in an FRW universe (2018) (37)
- Induced cosmological constant and other features of asymmetric brane embedding (2009) (37)
- Republication of: The cosmological constant and the theory of elementary particles (By Ya. B. Zeldovich) (2008) (36)
- Unusual Cosmological Singularities in Braneworld Models (2002) (35)
- Constraining the Cosmology of the Phantom Brane using Distance Measures (2016) (34)
- Morphology of Clusters and Superclusters in N-Body Simulations of Cosmological Gravitational Clustering (1998) (33)
- Cosmic mimicry: is LCDM a braneworld in disguise? (2005) (30)
- Cosmological Hysteresis and the Cyclic Universe (2012) (30)
- Probing Large-Scale Structure Using Percolation and Genus Curves (1996) (30)
- Some self-consistent solutions of the Einstein equations with one-loop quantum gravitational corrections: Gik = 8πG〈Tik〉vac (1986) (29)
- Growth factors and platelet rich plasma in anterior cruciate ligament reconstruction. (2014) (29)
- Sourcing dark matter and dark energy from α-attractors (2017) (28)
- Revisiting Metastable Dark Energy and Tensions in the Estimation of Cosmological Parameters (2019) (27)
- A new self-consistent solution of the Einstein equations with one-loop quantum-gravitational corrections (1983) (25)
- Supernova Constraints on Braneworld Dark Energy (2002) (25)
- Rejoinder to "No Evidence of Dark Energy Metamorphosis", astro-ph/0404468 (2004) (25)
- New tracker models of dark energy (2017) (25)
- Gravitational instability in the strongly non-linear regime: a study of various approximations (1994) (24)
- Emergence of Filamentary Structure in Cosmological Gravitational Clustering (1996) (24)
- The shape and size distribution of H ii regions near the percolation transition (2018) (22)
- Supernova constraints on brane world dark energy (2002) (22)
- RECONSTRUCTING COSMOLOGICAL MATTER PERTURBATIONS USING STANDARD CANDLES AND RULERS (2008) (21)
- Searching for systematics in SNIa and galaxy cluster data using the cosmic duality relation (2012) (20)
- Curing inflationary degeneracies using reheating predictions and relic gravitational waves (2021) (19)
- A new class of cosmological quintessence models (1999) (18)
- Exploring dark energy using the Statefinder (2002) (17)
- The role of tissue engineering in achilles tendon repair: a review. (2014) (17)
- Scalar field fluctuations and infrared divergent states in cosmological models with power law expansion (1988) (17)
- Reconstructing the properties of dark energy using standard sirens (2013) (17)
- Gravitational instability on the brane: the role of boundary conditions (2007) (16)
- Studying the morphology of H iisodensity surfaces during reionization using Shapefinders and percolation analysis (2018) (16)
- Exploring the geometry, topology and morphology of large scale structure using minkowski functionals (2005) (15)
- India's foreign policy: Key drivers (2007) (15)
- IBSA : An International Actor and Partner for the EU ? (2008) (14)
- India and the Great Powers (2008) (14)
- Filaments and Pancakes in the IRAS 1.2 Jy Redshift Catalog (1998) (13)
- Freezing the fighting: Military disengagement on the Siachen Glacier (1998) (13)
- Arrow of time in dissipationless cosmology (2015) (12)
- Cosmological perturbations on the phantom brane (2016) (12)
- India and the Great Powers: Strategic Imperatives, Normative (2009) (12)
- PARTICLE CREATION BY COSMIC STRINGS (1988) (11)
- Reconstructing the Properties of Dark Energy (2008) (10)
- Behaviour of Lagrangian Approximations in Spherical Voids (1995) (10)
- Erratum: Braneworld dynamics in Einstein-Gauss-Bonnet gravity [Phys. Rev. D 76, 104028 (2007)] (2009) (9)
- A new recipe for $$\Lambda $$ΛCDM (2015) (9)
- Can a marginally open universe amplify magnetic fields (2012) (9)
- The Fallacies and Flaws of Area Studies in India (2009) (9)
- Regularised quantum energy-momentum tensor for spinor fields in the Chitre-Hartle and Milne metrics (1984) (9)
- Can a variable gravitational constant resolve the faint young Sun paradox (2014) (8)
- India and the Asian Security Architecture (2006) (8)
- The cosmological constant revisited (1999) (8)
- Generalizing the cosmic energy equation (2010) (7)
- Cosmic acceleration and extra dimensions (2008) (7)
- Unifying dark matter and dark energy with non-canonical scalars (2018) (7)
- Tentative evidence for slowing down of cosmic acceleration from recent small redshift supernovae and BAO data (2010) (6)
- APSIS - an Artificial Planetary System in Space to probe extra-dimensional gravity and MOND (2006) (6)
- Phantom Braneworld and the Hubble Tension (2021) (5)
- The protean polis and strategic surprises: do changes within India affect South Asian strategic stability? (2005) (4)
- Canonical and Non-canonical Inflation in the light of the recent BICEP/Keck results (2022) (4)
- Quantum effects in the Bertotti-Robinson metric (1981) (4)
- Possible use of self-calibration to reduce systematic uncertainties in determining distance-redshift relation via gravitational radiation from merging binaries (2010) (4)
- The case for the cosmological constant (2000) (4)
- D ec 2 00 3 Braneworld models of dark energy (2003) (4)
- No-boundary proposal for braneworld perturbations (2013) (3)
- Limited cooperation between limited allies: India’s strategic programs and India–US strategic trade (2007) (3)
- Emulating aΛCDM-like expansion on the phantom brane (2018) (3)
- From Security in Asia to Asian Security (2004) (3)
- The inflationary Universe — From theory to observations (1998) (3)
- Versatile parametrization of the perturbation growth rate on the phantom brane (2018) (3)
- Large-scale structure without N-body simulations: the legacy of Ya. B. Zeldovich (1996) (3)
- Voids and adhesion theory (1995) (3)
- GENERATING Λ FROM THE VACUUM (1999) (2)
- Tabletop potentials for inflation from f(R) gravity (2022) (2)
- A new recipe for (cid:2) CDM (2017) (2)
- A dangerous exercise: Brasstacks as non-nuclear near-war (2008) (2)
- Living with lambda (2000) (2)
- The Stability-Instability Paradox: A Less Than Perfect Explanation (2020) (2)
- Peripheric Realism versus Complex Interdependence: Analyzing Argentine and Mexican Foreign Policies since 1988 (2001) (2)
- CLOSE ENCOUNTERS BETWEEN A NEUTRON STAR AND A MAIN-SEQUENCE STAR (1996) (1)
- Brazil, India and South Africa: three pathways to regional (in) security (2000) (1)
- The Adhesion Model: Some Results in Two and Three Dimensions (1991) (1)
- India and Missile Acquisition: Push and Pull Factors (2004) (1)
- Massless particles and cosmology (1980) (1)
- Petersberg Papers on Afghanistan and the Region (2009) (1)
- eb 2 00 2 The cosmological constant problem and quintessence (2002) (1)
- Generating lambda from the vacuum (2015) (1)
- China–India Partnership (2008) (1)
- Not Quite British: A Study of External Influences on the Argentine Navy (1993) (1)
- Subordinate, Subsumed and Subversive: Sub-national Actors as Referents of Security (2008) (0)
- 3 1 3 A pr 2 00 4 Dark Matter and Dark Energy (2010) (0)
- Bouncing Braneworlds Typeset Using Revt E X (2008) (0)
- Evaluation of the Zimmer PSI System for Total Knee Arthroplasty Using Computer Navigation (2013) (0)
- Robert A. Potash, The Army & Politics in Argentina 1962–1973: From Frondizi's Fall to the Peronist Restoration (Stanford, CA: Stanford University Press, 1996), pp. xv+547, £40.00. (1998) (0)
- Coexistence, consensus, competition, conflict: interservice contestaiton in military-dominated Argentina (2000) (0)
- Three and a half centuries of the westphalian state system (2000) (0)
- DYNAMICAL AND STATISTICAL ASPECTS OF GRAVITATIONALCLUSTERING IN THE UNIVERSEV (1996) (0)
- A comparison of approximations to gravitational instability (1995) (0)
- CORRIGENDUM: Regularised quantity energy-momentum tensor for spinor fields in the Chitre-Hartle and Milne metrics (1985) (0)
- María Emilia Paz, Strategy, Security, and Spies: Mexico and the US as Allies in World War II (University Park, PA: Penn State University Press, 1997), pp. xii+264, £49.00, £17.95 pb; $55.00, $19.95 pb. (2000) (0)
- 0 01 11 05 v 3 6 F eb 2 00 1 Anisotropy dissipation in brane-world inflation (2008) (0)
- Pancakesand filaments in cosmologicalgravitational clustering (1999) (0)
- RECONSTRUCTION OF DARK ENERGY USING SUPERNOVA AND OTHER DATASETS (2008) (0)
- Michael A. Morris, Caribbean Maritime Security (Basingstoke: Macmillan Press, 1994), pp. x + 231, £40.00. (1995) (0)
- Ya. B. Zeldovich (1914-1987) Chemist, Nuclear Physicist, Cosmologist (2014) (0)
- Pancakes and filaments in cosmological gravitational clustering (1999) (0)
- 02 11 08 4 v 1 5 N ov 2 00 2 Exploring dark energy using the Statefinder (2002) (0)
- Civil-MUitary Relations and Security Institutions in the Southern Cone : The Sources of Argentine-Brazilian Nuclear Cooperation DIVISIÓN DE Estudios internacionales (2010) (0)
- 0 10 51 21 v 3 3 O ct 2 00 1 Relic Gravity Waves from Braneworld Inflation (2010) (0)
- Regional Dynamics of Emerging Powers (2011) (0)
- 03 02 30 2 v 3 2 5 A pr 2 00 3 Can dark energy be decaying ? (2003) (0)
- Report on the Visit to Shanghai and Beijing by an ICS Delegation in May 2007 (2008) (0)
- 01 01 44 8 v 1 2 5 Ja n 20 01 Recycling the universe using scalar fields (2008) (0)
- Asia Pacific in World Politics (review) (2007) (0)
- Cosmological Model of Quintessence and Dark Matter (2011) (0)
- Report on the Workshop on Observational Cosmology — Aspects and Issues (1997) (0)
- Post-COBE predictions for Inflationary Gravity Wave and Density Perturbation spectra * (1993) (0)
- A pr 2 00 2 Unusual Cosmological Singularities in Braneworld Models (2002) (0)
- The military in politics (1995) (0)
- Is a step in the prim ordialspectralindex favoured by C M B data (2009) (0)
- Subversion, secession and the state in South Asia: Varieties of violence (2013) (0)
- 03 02 30 2 v 1 1 5 Fe b 20 03 Is dark energy decaying ? (2003) (0)
- The Formation and Evolution of Voids in the Universe (1995) (0)
- Deborah L. Norden, Military Rebellion in Argentina: Between Coups and Consolidation (Lincoln and London: University of Nebraska Press, 1996), pp. 242, £32.95, £16.50 pb. (1997) (0)
- 0 80 7 . 35 48 v 3 [ as tr oph ] 3 N ov 2 00 8 Two new diagnostics of dark energy (2010) (0)
- The large scale structure of the universe: Dynamical and statistical aspects (1997) (0)
- Identification of Extremely Large Scale Structures in SDSS-III (2014) (0)
- Daha vaidnyanikanna India citation award (2012) (0)
- William C. Smith, Authoritarianism and the Crisis of the Argentine Political Economy (Stanford, CA: Stanford University Press, 1989), pp. xv+395, $42.50. (1992) (0)
- Scalar field models for an accelerating universe (2001) (0)
- The large scale structure of the universe (1995) (0)
- ANALYSIS OF LARGE SCALE STRUCTURE USING PERCOLATION, GENUS AND SHAPE STATISTICS (1998) (0)
- Secure and solvent : thinking about an affordable defence for India (1994) (0)
- 2 4 N ov 2 00 8 Cosmic Acceleration and Extra Dimensions (2010) (0)
- 1 2 7 M ay 2 00 2 New Vistas in Braneworld Cosmology (2002) (0)
- A ug 2 01 5 Arrow of time in dissipationless cosmology (2015) (0)
- SCALAR PERTURBATIONS IN THE ISOTROPIC UNIVERSE DOMINATED BY MASSIVE WEAKLY INTERACTING PARTICLES (1984) (0)
- Virginia Gamba-Stonehouse, Strategy in the Southern Oceans: A South American View (London: Pinter Publishers, 1989), pp. xiii + 155, £30.00 (1990) (0)
- Inflation using scalar fields with non-canonical kinetic terms (2013) (0)
- Observationally-oriented cosmology : structure formation (1998) (0)
- The large scale structure of the universe: Theory vs. observations* (1992) (0)
- $Om3$ test of $\Lambda$CDM with eBOSS data (2022) (0)
- Chemist, Nuclear Physicist, Cosmologist (2011) (0)
- Ya B Zeldovich (1914–1987) (2011) (0)
- A ug 2 00 2 Bouncing Braneworlds (2002) (0)
- Ya B Zeldovich — Personal reminiscences of a pupil (2011) (0)
- India and Latin America (2016) (0)
- Does Inflationary Particle Production Suggest a Low-Density Flat Universe? (1999) (0)
- A pr 2 00 4 Dark Matter and Dark Energy (2008) (0)
- 98 01 05 3 v 1 7 J an 1 99 8 Shapefinders : a new shape diagnostic for large scale structure (2008) (0)
- B.2(III): COSMOLOGY (III). DARK ENERGY AND THE COSMOLOGICAL CONSTANT (2005) (0)
- R econstructing C osm ologicalM atter Perturbations using Standard C andles and R ulers (2009) (0)
- Foreign policy theory in menem's Argentina, de Carlos Escudé (1998) (0)
- Reconstructing the Properties of Dark Energy(VIII Asia-Pacific International Conference on Gravitation and Astrophysics (ICGA8)) (2008) (0)
- Observationally-oriented cosmology : gravitational lenses and lensing (1998) (0)
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Varun Sahni is affiliated with the following schools:
