The phase diagram of confining holographic theories on constant curvature manifolds in the presence of a $θ$-angle
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| Format: | Preprint |
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2026
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| _version_ | 1866918461706338304 |
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| author | Ghodsi, Ahmad Kiritsis, Elias Nitti, Francesco |
| author_facet | Ghodsi, Ahmad Kiritsis, Elias Nitti, Francesco |
| contents | Large families of confining holographic QFTs, described by Einstein-Dilaton gravity, are considered on constant-curvature manifolds in the presence of a $θ$-angle. The space of ground states of such theories is explored as a function of the UV parameters, namely the dimensionless curvature and the $θ$ angle. The free energy is computed, and the phase structure is determined. For constant negative curvature manifolds, we find solutions dual to single QFTs as well as solutions describing interfaces. The single QFTs exhibit an infinite family of saddle points, with the leading one dominating the gravitational path integral and no phase transitions present. For constant positive curvature manifolds, like de Sitter, the ($θ$-angle, curvature) phase diagram exhibits both first and second order phase transitions, as a function of the class of theories considered. We also show that when $θ=0$, a holographic Vafa-Witten-like theorem can be proven. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2604_20418 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The phase diagram of confining holographic theories on constant curvature manifolds in the presence of a $θ$-angle Ghodsi, Ahmad Kiritsis, Elias Nitti, Francesco High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Phenomenology Large families of confining holographic QFTs, described by Einstein-Dilaton gravity, are considered on constant-curvature manifolds in the presence of a $θ$-angle. The space of ground states of such theories is explored as a function of the UV parameters, namely the dimensionless curvature and the $θ$ angle. The free energy is computed, and the phase structure is determined. For constant negative curvature manifolds, we find solutions dual to single QFTs as well as solutions describing interfaces. The single QFTs exhibit an infinite family of saddle points, with the leading one dominating the gravitational path integral and no phase transitions present. For constant positive curvature manifolds, like de Sitter, the ($θ$-angle, curvature) phase diagram exhibits both first and second order phase transitions, as a function of the class of theories considered. We also show that when $θ=0$, a holographic Vafa-Witten-like theorem can be proven. |
| title | The phase diagram of confining holographic theories on constant curvature manifolds in the presence of a $θ$-angle |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2604.20418 |