diff --git a/configs/router_energy_n10_gumbel_centers_physical.toml b/configs/router_energy_n10_gumbel_centers_physical.toml
new file mode 100644
index 0000000..386e01e
--- /dev/null
+++ b/configs/router_energy_n10_gumbel_centers_physical.toml
@@ -0,0 +1,22 @@
+[train]
+mode          = "flow"
+epochs        = 30
+lr            = 3e-4
+warmup_epochs = 3
+val_fraction  = 0.1
+num_workers   = 4
+
+[model]
+conditioning = "physical"
+dropout      = 0.0
+
+[model.router]
+enabled           = true
+type              = "energy"
+n_experts         = 10
+expert_hidden_dim = 128
+expert_n_blocks   = 4
+temperature       = 0.05
+lambda_balance    = 0.035
+learn_centers     = true
+gumbel            = true
diff --git a/configs/router_energy_n10_gumbel_centers_temp_physical.toml b/configs/router_energy_n10_gumbel_centers_temp_physical.toml
new file mode 100644
index 0000000..933aa4b
--- /dev/null
+++ b/configs/router_energy_n10_gumbel_centers_temp_physical.toml
@@ -0,0 +1,23 @@
+[train]
+mode          = "flow"
+epochs        = 30
+lr            = 3e-4
+warmup_epochs = 3
+val_fraction  = 0.1
+num_workers   = 4
+
+[model]
+conditioning = "physical"
+dropout      = 0.0
+
+[model.router]
+enabled           = true
+type              = "energy"
+n_experts         = 10
+expert_hidden_dim = 128
+expert_n_blocks   = 4
+temperature       = 0.05
+lambda_balance    = 0.035
+learn_centers     = true
+learn_temperature = true
+gumbel            = true
diff --git a/configs/router_energy_n10_gumbel_physical.toml b/configs/router_energy_n10_gumbel_physical.toml
new file mode 100644
index 0000000..51c6a39
--- /dev/null
+++ b/configs/router_energy_n10_gumbel_physical.toml
@@ -0,0 +1,22 @@
+[train]
+mode          = "flow"
+epochs        = 30
+lr            = 3e-4
+warmup_epochs = 3
+val_fraction  = 0.1
+num_workers   = 4
+
+[model]
+conditioning = "physical"
+dropout      = 0.0
+
+[model.router]
+enabled           = true
+type              = "energy"
+n_experts         = 10
+expert_hidden_dim = 128
+expert_n_blocks   = 4
+temperature       = 0.05
+lambda_balance    = 0.035
+learn_centers     = false
+gumbel            = true