ads-phobiasp18.fuw.edu.pl/wp-content/uploads/participants-database/ads... · [see irene’s talk]...
TRANSCRIPT
ADS-PHOBIA:
CONFRONTING THE SM AND SUSY WITH THE WGC
Alvaro Herráez Universidad Autónoma de Madrid & Instituto de Física Teórica UAM-CSIC
Based on: E. Gonzalo, A. H., L. E. Ibáñez [1803.08455]
String Pheno 2018, Warsaw July 4, 2018
•
THE SWAMPLAND AND ADS-PHOBIA
SWAMPLAND
LANDSCAPE
General Features of all QG EFT
QG Conjectures
SWAMPLAND
LANDSCAPE
THE SWAMPLAND AND ADS-PHOBIA
[See Irene’s talk]
• Refined WGC WGC inequality is strict for non-SUSY states
General Features of all QG EFT
QG Conjectures
SWAMPLAND
LANDSCAPE
[Ooguri, Vafa ’17]Corolarium
THE SWAMPLAND AND ADS-PHOBIA
Stable non-SUSY AdS vacua belong to the SWAMPLAND
[See Irene’s talk]
• Refined WGC WGC inequality is strict for non-SUSY states
• Background independence A theory must be consistent in any BG
General Features of all QG EFT
QG Conjectures
SWAMPLAND
LANDSCAPE
[Ooguri, Vafa ’17]Corolarium
THE SWAMPLAND AND ADS-PHOBIA
Stable non-SUSY AdS vacua belong to the SWAMPLAND
[See Irene’s talk]
• Refined WGC WGC inequality is strict for non-SUSY states
• Background independence A theory must be consistent in any BG
General Features of all QG EFT
QG Conjectures
SWAMPLAND
LANDSCAPE
[Ooguri, Vafa ’17]Corolarium
SM
THE SWAMPLAND AND ADS-PHOBIA
Stable non-SUSY AdS vacua belong to the SWAMPLAND
[See Irene’s talk]
• Refined WGC WGC inequality is strict for non-SUSY states
• Background independence A theory must be consistent in any BG
General Features of all QG EFT
QG Conjectures
SWAMPLAND
LANDSCAPE
[Ooguri, Vafa ’17]Corolarium
Stable non-SUSY AdS vacua belong to the SWAMPLAND
SM
THE SWAMPLAND AND ADS-PHOBIA
[See Irene’s talk]
• Refined WGC WGC inequality is strict for non-SUSY states
• Background independence A theory must be consistent in any BG
General Features of all QG EFT
QG Conjectures
SWAMPLAND
LANDSCAPE
[Ooguri, Vafa ’17]Corolarium
SM
THE SWAMPLAND AND ADS-PHOBIA
Stable non-SUSY AdS vacua belong to the SWAMPLAND
[See Irene’s talk]
• Compactify the SM+GR to 3d or 2d SM landscape[Arkani-Hamed, Dubovski, Nicolis, Villadoro ’07]
ADS-PHOBIA AND THE SM
[Arnold, Fornal, Wise ’10]
• Compactify the SM+GR to 3d or 2d SM landscape
• SM+GR on the circle Radius is a massless field
[Arkani-Hamed, Dubovski, Nicolis, Villadoro ’07]
ADS-PHOBIA AND THE SM
[Arnold, Fornal, Wise ’10]
R
V (R) ' 2⇡⇤4
R2
• Compactify the SM+GR to 3d or 2d SM landscape
• SM+GR on the circle Radius is a massless field
[Arkani-Hamed, Dubovski, Nicolis, Villadoro ’07]
ADS-PHOBIA AND THE SM
[Arnold, Fornal, Wise ’10]
R
V (R) ' 2⇡⇤4
R2+X
p
V Cp
• Compactify the SM+GR to 3d or 2d SM landscape
• SM+GR on the circle Radius is a massless field
[Arkani-Hamed, Dubovski, Nicolis, Villadoro ’07]
ADS-PHOBIA AND THE SM
[Arnold, Fornal, Wise ’10]
R
V (R) ' 2⇡⇤4
R2+X
p
V Cp
• Massless particles V (R) ⇠ ± np
R6
• Massive particles V (R) ⇠ e�mpR if mp � R�1
V (R) ⇠ ± np
R6if mp ⌧ R�1
Casimir Energy
• Compactify the SM+GR to 3d or 2d SM landscape
• SM+GR on the circle Radius is a massless field
[Arkani-Hamed, Dubovski, Nicolis, Villadoro ’07]
ADS-PHOBIA AND THE SM
[Arnold, Fornal, Wise ’10]
R
V (R) ' 2⇡⇤4
R2+X
p
V Cp
• Massless particles V (R) ⇠ ± np
R6
• Massive particles V (R) ⇠ e�mpR if mp � R�1
V (R) ⇠ ± np
R6if mp ⌧ R�1
- Bosons + (periodic) Fermions
Casimir Energy
ADS-PHOBIA AND THE SM• Photon, graviton and neutrinos first particles to enter the game �, g, ⌫
�2� 2+6
+12
(M)
(D)
ADS-PHOBIA AND THE SM
-���� -���� -���� -��� -��� -��� -���-�
-�
�
�
�
�
�
�
Majorana neutrinos Dirac neutrinos
�, g, ⌫
�2� 2+6
+12
(M)
(D)
Small RSmall R
[Ibáñez, Martin-Lozano, Valenzuela ’17]
• Photon, graviton and neutrinos first particles to enter the game
ADS-PHOBIA AND THE SM
-���� -���� -���� -��� -��� -��� -���-�
-�
�
�
�
�
�
�
Majorana neutrinos Dirac neutrinos
AdS vacuum always forms!
�, g, ⌫
�2� 2+6
+12
(M)
(D)
Small RSmall R
[Ibáñez, Martin-Lozano, Valenzuela ’17]
• Photon, graviton and neutrinos first particles to enter the game
ADS-PHOBIA AND THE SM
-���� -���� -���� -��� -��� -��� -���-�
-�
�
�
�
�
�
�
Majorana neutrinos Dirac neutrinos
SWAMPLAND!
�, g, ⌫
�2� 2+6
+12
(M)
(D)
Small RSmall R
[Ibáñez, Martin-Lozano, Valenzuela ’17]
• Photon, graviton and neutrinos first particles to enter the game
ADS-PHOBIA AND THE SM
-���� -���� -���� -��� -��� -��� -���-�
-�
�
�
�
�
�
�
Majorana neutrinos Dirac neutrinos
SWAMPLAND! Can avoid AdS if masses are light enough
�, g, ⌫
�2� 2+6
+12
(M)
(D)
Small RSmall R
[Ibáñez, Martin-Lozano, Valenzuela ’17]
• Photon, graviton and neutrinos first particles to enter the game
ADS-PHOBIA AND THE SM
• But…
More particles as R decreases
Higgs potential
Wilson Lines (WL)
1
2
3
ADS-PHOBIA AND THE SM
• But…
More particles as R decreases
Higgs potential
Wilson Lines (WL)
-�� -� � �
�
��
��
��
Small R
1
[Hamada, Shiu ’17][Gonzalo, A.H., Ibáñez ’18]
1
2
3
ADS-PHOBIA AND THE SM
• But…
More particles as R decreases
Higgs potential
Wilson Lines (WL)
2
[Gonzalo, A.H., Ibáñez ’18]1
2
3
ADS-PHOBIA AND THE SM
• But…
More particles as R decreases
Higgs potential
Wilson Lines (WL)
3 � Wilson Line
[Hamada, Shiu ’17][Gonzalo, A.H., Ibáñez ’18]1
2
3
ADS-PHOBIA AND THE SM
• But…
More particles as R decreases
Higgs potential
Wilson Lines (WL)
3
Runaway directions Destabilize the minima
� Wilson Line
[Hamada, Shiu ’17][Gonzalo, A.H., Ibáñez ’18]1
2
3
THE SM ON T / Z
• Want to find a way to fix the WL in order to have predictability
Go to an orbifold
24
S1/Z2
THE SM ON T / Z
• Want to find a way to fix the WL in order to have predictability
Go to an orbifold
24
S1/Z2 It’s NOT a symmetry
THE SM ON T / Z
• Want to find a way to fix the WL in order to have predictability
Go to a TORUS orbifold
24
T 2/Z4
THE SM ON T / Z
• Want to find a way to fix the WL in order to have predictability
Go to a TORUS orbifold
24
T 2/Z4
y1 �! �y2
y2 �! y1
�(xi, y1, y2) = eiq↵�(xi,�y2, y1)
Project under π/2 rotations
(xi, y1, y2) = eiq↵ei⇡4 �3 (xi,�y2, y1)
Fix the complex structure Only surviving scalar: area
THE SM ON T / Z
• Want to find a way to fix the WL in order to have predictability
Go to a TORUS orbifold
24
T 2/Z4
y1 �! �y2
y2 �! y1
�(xi, y1, y2) = eiq↵�(xi,�y2, y1)
(xi, y1, y2) = eiq↵ei⇡4 �3 (xi,�y2, y1)
Internal action(gauge group)
Fix the complex structure Only surviving scalar: area
Project under π/2 rotations
THE SM ON T / Z
• Want to find a way to fix the WL in order to have predictability
Go to a TORUS orbifold
• gauge embeddings
• Cartan subalgebra of the SM:
• Gaugeable
• R-symmetries (in SUSY extensions)
24
T 2/Z4
y1 �! �y2
y2 �! y1
�(xi, y1, y2) = eiq↵�(xi,�y2, y1)
(xi, y1, y2) = eiq↵ei⇡4 �3 (xi,�y2, y1)
Internal action(gauge group)
Z4
SU(3)c ⇥ SU(2)L ⇥ U(1)Y
U(1)B�L
Fix the complex structure Only surviving scalar: area
Project under π/2 rotations
THE SM ON T / Z
• gauge embeddings
• Cartan subalgebra of the SM:
24
Z4
SU(3)c ⇥ SU(2)L ⇥ U(1)Y
-�� -� � �
-�
�
�
��
��
��
Small R
THE SM ON T / Z
• gauge embeddings
• Cartan subalgebra of the SM:
24
Z4
SU(3)c ⇥ SU(2)L ⇥ U(1)Y
-�� -� � �
-�
�
�
��
��
��
Small R
The SM by itself is in the SWAMPLAND
It is “TOO FERMIONIC”
THE SM ON T / Z
• gauge embeddings
• Cartan subalgebra of the SM:
24
Z4
SU(3)c ⇥ SU(2)L ⇥ U(1)Y
-�� -� � �
-�
�
�
��
��
��
Small R
The SM by itself is in the SWAMPLAND
It is “TOO FERMIONIC”
SUSY extension
THE SM ON T / Z
• gauge embeddings
• Cartan subalgebra of the SM:
24
Z4
SU(3)c ⇥ SU(2)L ⇥ U(1)Y
Small R
Creates a runaway
SUSY extension
-�� -� � �-��
-��
-��
-��
�
��
��
• gauge embeddings
• Cartan subalgebra of the SM:
24
Z4
SU(3)c ⇥ SU(2)L ⇥ U(1)Y
Small R
Creates a runaway
-�� -� � �-��
-��
-��
-��
�
��
��
THE MSSM ON T / Z
• gauge embeddings
• Gaugeable
24
Z4
Small R
THE MSSM ON T / Z
U(1)B�L
-�� -� � �
�
��
��
�� Superpartners do not
contribute to the Casimir energy
• gauge embeddings
• Gaugeable
24
Z4
Small R
THE MSSM ON T / Z
U(1)B�L
-�� -� � �
�
��
��
��
Recover neutrino bounds
Superpartners do not contribute to the Casimir energy
• gauge embeddings
• R-symmetry
24
Z4
Small R
THE MSSM ON T / Z
-�� -� � �
�
��
��
��
The whole spectrum contributes to the Casimir energy When all particles enter the game, the leading part cancels
• gauge embeddings
• R-symmetry
24
Z4
Small R
THE MSSM ON T / Z
-�� -� � �
�
��
��
��
The whole spectrum contributes to the Casimir energy When all particles enter the game, the leading part cancels
The next order decides wether the potential goes to :
�SS 0 =) V ! �1
�SS � 0 =) V ! +1
• gauge embeddings
• R-symmetry
24
Z4
Small R
THE MSSM ON T / Z
-�� -� � �
�
��
��
��
The whole spectrum contributes to the Casimir energy When all particles enter the game, the leading part cancels
The next order decides wether the potential goes to :
�SS 0 =) V ! �1
�SS � 0 =) V ! +1
Constrain mass spectrum
• gauge embeddings
• R-symmetry
24
Z4
Small R
THE MSSM ON T / Z
The whole spectrum contributes to the Casimir energy When all particles enter the game, the leading part cancels
The next order decides wether the potential goes to :
�SS 0 =) V ! �1
�SS � 0 =) V ! +1
-�� -� � �
�
��
��
��
Constrain mass spectrum
CONCLUSIONS
• SM as it is has stable AdS vacua in 2d SWAMPLAND
• SUSY extensions destabilise them Consistent with QG
• If SUSY extension contains a gaugeable
• Majorana neutrinos Swampland
• Dirac neutrinos Mass upper bound
• Bounds for the EW scale
• If SUSY extension contains an R-symmetry Constrains on the spectrum (supertrace)
U(1)B�L
m⌫3 1⇥ 10�3
eV (IH)
m⌫1 4⇥ 10�3
eV (NH)
[See E. Gonzalo’s talk]⇤QCD hHi 1 TeV
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CONCLUSIONS
• SM as it is has stable AdS vacua in 2d SWAMPLAND
• SUSY extensions destabilise them Consistent with QG
• If SUSY extension contains a gaugeable
• Majorana neutrinos Swampland
• Dirac neutrinos Mass upper bound
• Bounds for the EW scale
• If SUSY extension contains an R-symmetry Constrains on the spectrum (supertrace)
U(1)B�L
m⌫3 1⇥ 10�3
eV (IH)
m⌫1 4⇥ 10�3
eV (NH)
[See E. Gonzalo’s talk]⇤QCD hHi 1 TeV
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