Waqas Ahmed

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20242026

most citedPrimordial Black Holes and Second-order Gravitational Waves in Axion-like Hybrid Inflation

3 citations · 9 across the 14 of their papers we have counts for

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astro-ph.CO2024★ 3 cited

Primordial Black Holes and Second-order Gravitational Waves in Axion-like Hybrid Inflation

Waqas Ahmed, Anish Ghoshal, Umer Zubair

We investigate the possibility that primordial black holes (PBHs) can be formed from large curvature perturbations generated during the waterfall phase transition in a hybrid infla…

hep-ph2024★ 3 cited

Inflation, Proton Decay and Gravitational Waves from Metastable Strings in $S U (4)_{C} \times S U (2)_{L} \times U (1)_{R}$ Model

Waqas Ahmed, Maria Mehmood, Mansoor Ur Rehman +1

We present a realistic supersymmetric $μ$ -hybrid inflation model within the framework of $S U (4)_{C} \times S U (2)_{L} \times U (1)_{R}$ gauge symmetry, wherein the symmetry breaking $SU(4)…

Primordial Black Holes and Second-order Gravitational Waves in Axion-like Hybrid Inflation

Inflation, Proton Decay and Gravitational Waves from Metastable Strings in SU(4)C​×SU(2)L​×U(1)R​ Model

Inflation, Proton Decay and Gravitational Waves from Metastable Strings in $S U (4)_{C} \times S U (2)_{L} \times U (1)_{R}$ Model