Non-Gaussian bubbles in the sky T ) - PowerPoint PPT Presentation

Nov 27, 2023 •310 likes •516 views

Non-Gaussian bubbles in the sky T ) 2 2 T ) 3 ( T ( , ) / ( T/ f NL ( , ) 3

Non-Gaussian bubbles in the sky �� T ) 2 � 2 � T ) 3 �� ( δ T ( θ , φ ) / ¯ ( δ T/ ¯ f NL ( θ , φ ) ≡ 3 �� Y TP �� YUKAWA INSTITUTE FOR THEORETICAL PHYSICS
Non-Gaussian bubbles in the sky �� T ) 2 � 2 � T ) 3 �� ( δ T ( θ , φ ) / ¯ ( δ T/ ¯ f NL ( θ , φ ) ≡ 3 �� Y TP �� YUKAWA INSTITUTE FOR THEORETICAL PHYSICS ��
Intr troducti tions � 3
Motivation � http://journalofcosmology.com � �� ! �� - �� - ! �� - �� - �� ! �� - �� - ��
Bubbles in the sky � �� ! �� - �� - � �� ! �� φ 2 φ 2 φ ( x ) = φ L ( x ) + f NL L ( x ) − �� L � �� - �� - �� - �� ! �� - �� - �� - ��
Toy Model Toy Model � 6
Three scalar fields � �� ! �� ! �� ! ��
Bubble nucleation during slow-roll inflation � ! �� ! ��
Curvaton evolution in the universe with a bubble � ! �� V ( φ )= m 2 2 φ 2 + V int ( σ , φ ) ! �� V (e ff ) ( φ ; x ) := V int (¯ σ ( x ) , φ ) int �� ! �� V int ( σ , φ ) = λ ( σ ) φ 3 ( λ ( σ F ) = 0) ��
Meth thod � 10

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