SCOAP3 Repository 7 records found  Search took 0.21 seconds. 
1. Infrared features of gravitational scattering and radiation in the eikonal approach / Ciafaloni, Marcello ; Colferai, Dimitri ; Veneziano, Gabriele
Following a semiclassical eikonal approach—justified at transplanckian energies order by order in the deflection angle Θs4Gsb2Rb—we investigate the infrared features of gravitational scattering and radiation in four space-time dimensions, and we illustrate the factorization and cancellation of the infinite Coulomb phase for scattering and the eikonal resummation for radiation. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.066008 arXiv:1812.08137
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2. Stringy black-hole gas in α-corrected dilaton gravity / Quintin, Jerome ; Brandenberger, Robert H. ; Gasperini, Maurizio ; Veneziano, Gabriele
We discuss the properties of the gas of primordial “stringy” black holes possibly formed in the high-curvature phase preceding the bouncing transition to the phase of standard cosmological evolution. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.103519 arXiv:1809.01658
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3. Spontaneous CP breaking in QCD and the axion potential: an effective Lagrangian approach / Vecchia, Paolo ; Rossi, Giancarlo ; Veneziano, Gabriele ; Yankielowicz, Shimon
Using the well-known low-energy effective Lagrangian of QCD — valid for small (non-vanishing) quark masses and a large number of colors — we study in detail the regions of parameter space where CP is spontaneously broken/unbroken for a vacuum angle θ = π . [...]
Published in JHEP 1712 (2017) 104 10.1007/JHEP12(2017)104 arXiv:1709.00731
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4. Glimpses of black hole formation/evaporation in highly inelastic, ultra-planckian string collisions / Addazi, Andrea ; Bianchi, Massimo ; Veneziano, Gabriele
We revisit possible glimpses of black-hole formation by looking at ultra-planckian string-string collisions at very high final-state multiplicity. [...]
Published in JHEP 1702 (2017) 111 10.1007/JHEP02(2017)111 arXiv:1611.03643
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5. A microscopic description of absorption in high-energy string-brane collisions / D’Appollonio, Giuseppe ; Vecchia, Paolo ; Russo, Rodolfo ; Veneziano, Gabriele
We study the collision of a highly energetic light closed string off a stack of D p -branes at (sub)string-scale impact parameters and in a regime justifying a perturbative treatment. [...]
Published in JHEP 1603 (2016) 030 10.1007/JHEP03(2016)030 arXiv:1510.03837
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6. Regge behavior saves string theory from causality violations / D’Appollonio, Giuseppe ; Vecchia, Paolo ; Russo, Rodolfo ; Veneziano, Gabriele
Higher-derivative corrections to the Einstein-Hilbert action are present in bosonic string theory leading to the potential causality violations recently pointed out by Camanho et al. [...]
Published in JHEP 1505 (2015) 144 10.1007/JHEP05(2015)144 arXiv:1502.01254
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7. The quark condensate in multi-flavour QCD – planar equivalence confronting lattice simulations / Armoni, Adi ; Shifman, Mikhail ; Shore, Graham ; Veneziano, Gabriele
Planar equivalence between the large N limits of N=1 Super Yang–Mills (SYM) theory and a variant of QCD with fermions in the antisymmetric representation is a powerful tool to obtain analytic non-perturbative results in QCD itself. [...]
Published in Physics letters B 741 (2015) 184-189 10.1016/j.physletb.2014.12.035
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See also: similar author names
1 Veneziano, G
216 Veneziano, G.
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