# Interactions - emergence versus unification?

https://en.wikipedia.org/wiki/Fundamental_interaction

## [Unification](https://s3-us-west-2.amazonaws.com/courses-images-archive-read-only/wp-content/uploads/sites/222/2014/12/20112724/Figure_34_06_04.jpg)

[Unification of Nature’s Fundamental Forces - a continuing search](https://sgp.fas.org/othergov/doe/lanl/pubs/00285651.pdf)

[Basics - lecture](https://www.learner.org/wp-content/uploads/2019/01/physics-for-21st-century-fundamental-interactions-online-textbook.pdf)

https://physics.mit.edu/wp-content/uploads/2021/01/physicsatmit_03_wilczek_originofmass.pdf



## Emergence

**we do know that effective interaction can emerge/arise in condensed matter**. For example, virtual phonon exchanges... trivially


- 2019 [On the Topic of Emergence from an Effective Field Theory Perspective](https://arxiv.org/pdf/1910.13770.pdf)

- 2020 [On Effective Field Theories and Emergence: A Response to Luu and Meissner - George F R Ellis](https://arxiv.org/abs/2004.13591v1)

[Misconceptions on Effective Field Theories and spontaneous symmetry breaking: Response to Ellis’ article](https://arxiv.org/pdf/2007.10062.pdf)

[Emergence in Solid State Physics and Biology](https://arxiv.org/pdf/2004.13591.pdf)

- 2001 philosophy [Reductionism, Emergence, and Effective Field Theories](https://arxiv.org/pdf/1910.13770.pdf) Elena Castellani

# Parents

* Hierarchy problem and grand unification